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Proofgold Asset
asset id
095b3344749e6b06758ed2053a5e117024d943f0d7ad363024bbde295ab10386
asset hash
e40291d377f7623a48e622e83daa6f62d9be0f1cc4cc6e632941b6448865fffd
bday / block
26867
tx
c82e1..
preasset
doc published by
Pr5Zc..
Known
45f87..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x1
x2
(
x1
x3
(
x1
x4
x5
)
)
=
x1
x3
(
x1
x4
(
x1
x2
x5
)
)
Known
a8925..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x6
(
x1
x3
(
x1
x2
(
x1
x4
x9
)
)
)
)
)
)
Theorem
fa9c0..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
4c920..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Known
cbdc2..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
(
x1
x2
x9
)
)
)
)
)
)
Known
aeb01..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x7
(
x1
x6
(
x1
x2
(
x1
x3
(
x1
x5
x9
)
)
)
)
)
)
Theorem
250a8..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
x2
)
)
)
)
)
)
(proof)
Theorem
3f25c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
x2
)
)
)
)
)
)
(proof)
Known
07a54..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x6
(
x1
x3
(
x1
x4
(
x1
x2
x9
)
)
)
)
)
)
Theorem
33097..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
x6
)
)
)
)
)
)
(proof)
Theorem
336c9..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
x6
)
)
)
)
)
)
(proof)
Known
ebbe6..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x7
(
x1
x6
(
x1
x2
(
x1
x5
(
x1
x3
x9
)
)
)
)
)
)
Theorem
0c48a..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
x2
)
)
)
)
)
)
(proof)
Theorem
30a50..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
x2
)
)
)
)
)
)
(proof)
Known
75b00..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
x7
)
)
)
)
=
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x2
x7
)
)
)
)
Known
2ca90..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x7
(
x1
x6
(
x1
x3
(
x1
x5
(
x1
x2
x9
)
)
)
)
)
)
Theorem
de6c1..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
x4
)
)
)
)
)
)
(proof)
Theorem
3e7a6..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
x4
)
)
)
)
)
)
(proof)
Theorem
ca412..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Theorem
78450..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Known
b6723..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x6
(
x1
x2
(
x1
x3
(
x1
x4
x9
)
)
)
)
)
)
Theorem
6478c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
609f2..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Known
c0c54..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
x8
)
)
)
)
)
=
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x2
x8
)
)
)
)
)
Theorem
ba2ad..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
x3
)
)
)
)
)
)
(proof)
Theorem
548b5..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
x3
)
)
)
)
)
)
(proof)
Known
3c860..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x6
(
x1
x2
(
x1
x4
(
x1
x3
x9
)
)
)
)
)
)
Theorem
77d08..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
x6
)
)
)
)
)
)
(proof)
Theorem
f6485..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
x6
)
)
)
)
)
)
(proof)
Theorem
fe898..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
x3
)
)
)
)
)
)
(proof)
Theorem
747f1..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
x3
)
)
)
)
)
)
(proof)
Theorem
cd7e5..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
x4
)
)
)
)
)
)
(proof)
Theorem
66e10..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x8
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
x4
)
)
)
)
)
)
(proof)
Known
e612d..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x2
(
x1
x7
(
x1
x3
(
x1
x5
x9
)
)
)
)
)
)
Theorem
1a3bf..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x3
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Theorem
d76b4..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x3
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Known
46c89..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x2
(
x1
x7
(
x1
x3
(
x1
x4
x9
)
)
)
)
)
)
Theorem
c64a0..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x3
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
4cd9d..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x3
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
60ad8..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x4
(
x1
x6
x3
)
)
)
)
)
)
(proof)
Theorem
10c7a..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x4
(
x1
x6
x3
)
)
)
)
)
)
(proof)
Known
63e29..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x2
(
x1
x7
(
x1
x4
(
x1
x3
x9
)
)
)
)
)
)
Theorem
1c8c3..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x4
(
x1
x3
x6
)
)
)
)
)
)
(proof)
Theorem
3202f..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x4
(
x1
x3
x6
)
)
)
)
)
)
(proof)
Known
1e87b..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x2
(
x1
x7
(
x1
x5
(
x1
x3
x9
)
)
)
)
)
)
Theorem
339b9..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x6
(
x1
x4
x3
)
)
)
)
)
)
(proof)
Theorem
bddd5..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x6
(
x1
x4
x3
)
)
)
)
)
)
(proof)
Theorem
d8af4..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x6
(
x1
x3
x4
)
)
)
)
)
)
(proof)
Theorem
a4c25..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x8
(
x1
x6
(
x1
x3
x4
)
)
)
)
)
)
(proof)
Known
23975..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x2
(
x1
x5
(
x1
x3
(
x1
x7
x9
)
)
)
)
)
)
Theorem
5dc59..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
(
x1
x8
x4
)
)
)
)
)
)
(proof)
Theorem
62e58..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
(
x1
x8
x4
)
)
)
)
)
)
(proof)
Known
599d0..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
(
x1
x4
x9
)
)
)
)
)
)
Theorem
efc59..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
(
x1
x4
x8
)
)
)
)
)
)
(proof)
Theorem
c8e3f..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x3
(
x1
x4
x8
)
)
)
)
)
)
(proof)
Theorem
f08ca..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
(
x1
x8
x3
)
)
)
)
)
)
(proof)
Theorem
0eaeb..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
(
x1
x8
x3
)
)
)
)
)
)
(proof)
Known
e3f55..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
(
x1
x3
x9
)
)
)
)
)
)
Theorem
a37fc..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
(
x1
x3
x8
)
)
)
)
)
)
(proof)
Theorem
fe071..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x4
(
x1
x3
x8
)
)
)
)
)
)
(proof)
Known
5553e..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x2
(
x1
x5
(
x1
x7
(
x1
x3
x9
)
)
)
)
)
)
Theorem
d53bb..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x8
(
x1
x4
x3
)
)
)
)
)
)
(proof)
Theorem
7da11..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x8
(
x1
x4
x3
)
)
)
)
)
)
(proof)
Theorem
86512..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x8
(
x1
x3
x4
)
)
)
)
)
)
(proof)
Theorem
e7cc7..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x6
(
x1
x8
(
x1
x3
x4
)
)
)
)
)
)
(proof)
Known
ace0d..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x2
(
x1
x4
(
x1
x3
(
x1
x7
x9
)
)
)
)
)
)
Theorem
cc0a1..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Theorem
052cb..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Known
0f317..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
(
x1
x6
x9
)
)
)
)
)
)
Theorem
e3ee5..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Theorem
41d49..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x3
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Known
686d7..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x2
(
x1
x3
(
x1
x5
(
x1
x7
x9
)
)
)
)
)
)
Theorem
4891a..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
(
x1
x8
x3
)
)
)
)
)
)
(proof)
Theorem
6f2a6..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
(
x1
x8
x3
)
)
)
)
)
)
(proof)
Known
be3bf..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
(
x1
x3
x9
)
)
)
)
)
)
Theorem
1517f..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
(
x1
x3
x8
)
)
)
)
)
)
(proof)
Theorem
c1148..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x6
(
x1
x3
x8
)
)
)
)
)
)
(proof)
Known
cd218..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x2
(
x1
x3
(
x1
x7
(
x1
x5
x9
)
)
)
)
)
)
Theorem
65b93..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x8
(
x1
x6
x3
)
)
)
)
)
)
(proof)
Theorem
4469a..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x8
(
x1
x6
x3
)
)
)
)
)
)
(proof)
Known
53f7d..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x2
(
x1
x4
(
x1
x7
(
x1
x3
x9
)
)
)
)
)
)
Theorem
d2899..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x8
(
x1
x3
x6
)
)
)
)
)
)
(proof)
Theorem
90a97..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x4
(
x1
x8
(
x1
x3
x6
)
)
)
)
)
)
(proof)
Known
bf243..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x2
(
x1
x3
(
x1
x4
(
x1
x7
x9
)
)
)
)
)
)
Theorem
fe0fd..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Theorem
85ed4..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Known
b7424..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
(
x1
x6
x9
)
)
)
)
)
)
Theorem
a617e..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Theorem
0f4df..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x4
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Theorem
ab355..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
(
x1
x8
x4
)
)
)
)
)
)
(proof)
Theorem
99be9..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
(
x1
x8
x4
)
)
)
)
)
)
(proof)
Known
7bf5c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
(
x1
x4
x9
)
)
)
)
)
)
Theorem
5f62c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
(
x1
x4
x8
)
)
)
)
)
)
(proof)
Theorem
e9b22..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x6
(
x1
x4
x8
)
)
)
)
)
)
(proof)
Theorem
b6c9e..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x8
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Theorem
15f77..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x8
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Known
eced7..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x2
(
x1
x3
(
x1
x7
(
x1
x4
x9
)
)
)
)
)
)
Theorem
4caed..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x8
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
6e5cd..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x2
(
x1
x3
(
x1
x8
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Known
a2dee..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x3
(
x1
x7
(
x1
x2
(
x1
x5
x9
)
)
)
)
)
)
Theorem
d993f..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x2
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Theorem
0b0f2..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x2
(
x1
x6
x4
)
)
)
)
)
)
(proof)
Known
c3547..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x3
(
x1
x7
(
x1
x2
(
x1
x4
x9
)
)
)
)
)
)
Theorem
baa42..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x2
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
efcf9..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x2
(
x1
x4
x6
)
)
)
)
)
)
(proof)
Theorem
f6efa..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x4
(
x1
x6
x2
)
)
)
)
)
)
(proof)
Theorem
e6512..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x4
(
x1
x6
x2
)
)
)
)
)
)
(proof)
Known
ed4e6..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
(
x1
x2
x9
)
)
)
)
)
)
Theorem
39a9c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x4
(
x1
x2
x6
)
)
)
)
)
)
(proof)
Theorem
b4368..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x4
(
x1
x2
x6
)
)
)
)
)
)
(proof)
Known
401ba..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x3
(
x1
x7
(
x1
x5
(
x1
x2
x9
)
)
)
)
)
)
Theorem
3f457..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x6
(
x1
x2
x4
)
)
)
)
)
)
(proof)
Theorem
c2437..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x8
(
x1
x6
(
x1
x2
x4
)
)
)
)
)
)
(proof)
Known
06d1b..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x3
(
x1
x5
(
x1
x2
(
x1
x7
x9
)
)
)
)
)
)
Theorem
2831f..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
(
x1
x8
x4
)
)
)
)
)
)
(proof)
Theorem
2a0f2..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
(
x1
x8
x4
)
)
)
)
)
)
(proof)
Known
155d5..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
(
x1
x4
x9
)
)
)
)
)
)
Theorem
2b571..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
(
x1
x4
x8
)
)
)
)
)
)
(proof)
Theorem
0085b..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x2
(
x1
x4
x8
)
)
)
)
)
)
(proof)
Theorem
9f497..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
(
x1
x8
x2
)
)
)
)
)
)
(proof)
Theorem
90b9b..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
(
x1
x8
x2
)
)
)
)
)
)
(proof)
Known
a0f80..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
(
x1
x2
x9
)
)
)
)
)
)
Theorem
6e5b2..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
(
x1
x2
x8
)
)
)
)
)
)
(proof)
Theorem
6ea94..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x4
(
x1
x2
x8
)
)
)
)
)
)
(proof)
Known
3508c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x4
(
x1
x6
(
x1
x3
(
x1
x5
(
x1
x7
(
x1
x2
x9
)
)
)
)
)
)
Theorem
46903..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x8
(
x1
x2
x4
)
)
)
)
)
)
(proof)
Theorem
d848f..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x6
(
x1
x8
(
x1
x2
x4
)
)
)
)
)
)
(proof)
Known
b61bd..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x3
(
x1
x4
(
x1
x2
(
x1
x7
x9
)
)
)
)
)
)
Theorem
ebef0..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Theorem
b2a78..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Known
9cb45..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
(
x1
x6
x9
)
)
)
)
)
)
Theorem
2235b..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Theorem
fffbc..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x2
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Theorem
69d35..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
(
x1
x8
x2
)
)
)
)
)
)
(proof)
Theorem
77119..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
(
x1
x8
x2
)
)
)
)
)
)
(proof)
Theorem
ee9fe..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
(
x1
x2
x8
)
)
)
)
)
)
(proof)
Theorem
00b17..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x6
(
x1
x2
x8
)
)
)
)
)
)
(proof)
Theorem
2b91e..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x8
(
x1
x6
x2
)
)
)
)
)
)
(proof)
Theorem
6cc18..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x8
(
x1
x6
x2
)
)
)
)
)
)
(proof)
Known
3b540..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x3
(
x1
x4
(
x1
x7
(
x1
x2
x9
)
)
)
)
)
)
Theorem
35ac4..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x8
(
x1
x2
x6
)
)
)
)
)
)
(proof)
Theorem
3071c..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x4
(
x1
x8
(
x1
x2
x6
)
)
)
)
)
)
(proof)
Known
91da2..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x6
(
x1
x3
(
x1
x2
(
x1
x4
(
x1
x7
x9
)
)
)
)
)
)
Theorem
ef2cc..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Theorem
0b99a..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
(
x1
x8
x6
)
)
)
)
)
)
(proof)
Known
f4647..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x8
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
(
x1
x6
x9
)
)
)
)
)
)
Theorem
818a3..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
x3
(
x1
x2
x4
)
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
(
x1
x6
x8
)
)
)
)
)
)
(proof)
Theorem
a30ee..
:
∀ x0 :
ι → ο
.
∀ x1 :
ι →
ι → ι
.
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x0
(
x1
x2
x3
)
)
⟶
(
∀ x2 x3 x4 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x1
x2
(
x1
x3
x4
)
=
x1
(
x1
x2
x3
)
x4
)
⟶
(
∀ x2 x3 .
x0
x2
⟶
x0
x3
⟶
x1
x2
x3
=
x1
x3
x2
)
⟶
∀ x2 x3 x4 x5 x6 x7 x8 x9 .
x0
x2
⟶
x0
x3
⟶
x0
x4
⟶
x0
x5
⟶
x0
x6
⟶
x0
x7
⟶
x0
x8
⟶
x0
x9
⟶
x1
x2
(
x1
x3
(
x1
x4
(
x1
x5
(
x1
x6
(
x1
x7
(
x1
x8
x9
)
)
)
)
)
)
=
x1
x9
(
x1
x5
(
x1
x7
(
x1
x3
(
x1
x2
(
x1
x4
(
x1
x6
x8
)
)
)
)
)
)
(proof)