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Proofgold Asset
asset id
64dda1dae1cc810db0aac0c844573fe2eafbe8817a315190c586711b6be2a195
asset hash
6551bf24ba6e363fe9d30025a500f3faa1f3aa66727f4640e3668bcf960c313a
bday / block
2858
tx
2def7..
preasset
doc published by
PrGxv..
Param
0fc90..
:
ι
→
(
ι
→
ι
) →
ι
Param
4ae4a..
:
ι
→
ι
Param
4a7ef..
:
ι
Param
If_i
:
ο
→
ι
→
ι
→
ι
Param
d2155..
:
ι
→
(
ι
→
ι
→
ο
) →
ι
Param
1216a..
:
ι
→
(
ι
→
ο
) →
ι
Definition
3d68f..
:=
λ x0 .
λ x1 x2 :
ι →
ι → ο
.
λ x3 :
ι → ο
.
λ x4 .
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x5 .
If_i
(
x5
=
4a7ef..
)
x0
(
If_i
(
x5
=
4ae4a..
4a7ef..
)
(
d2155..
x0
x1
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
(
d2155..
x0
x2
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(
1216a..
x0
x3
)
x4
)
)
)
)
Param
f482f..
:
ι
→
ι
→
ι
Known
7d2e2..
:
∀ x0 x1 x2 x3 x4 .
f482f..
(
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x6 .
If_i
(
x6
=
4a7ef..
)
x0
(
If_i
(
x6
=
4ae4a..
4a7ef..
)
x1
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
x2
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
)
4a7ef..
=
x0
Theorem
20346..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
x0
=
3d68f..
x1
x2
x3
x4
x5
⟶
x1
=
f482f..
x0
4a7ef..
(proof)
Theorem
440ae..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 .
x0
=
f482f..
(
3d68f..
x0
x1
x2
x3
x4
)
4a7ef..
(proof)
Param
2b2e3..
:
ι
→
ι
→
ι
→
ο
Known
504a8..
:
∀ x0 x1 x2 x3 x4 .
f482f..
(
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x6 .
If_i
(
x6
=
4a7ef..
)
x0
(
If_i
(
x6
=
4ae4a..
4a7ef..
)
x1
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
x2
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
)
(
4ae4a..
4a7ef..
)
=
x1
Known
67416..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 .
prim1
x2
x0
⟶
∀ x3 .
prim1
x3
x0
⟶
2b2e3..
(
d2155..
x0
x1
)
x2
x3
=
x1
x2
x3
Theorem
c523c..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
x0
=
3d68f..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
∀ x7 .
prim1
x7
x1
⟶
x2
x6
x7
=
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
x6
x7
(proof)
Theorem
e8070..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
prim1
x5
x0
⟶
∀ x6 .
prim1
x6
x0
⟶
x1
x5
x6
=
2b2e3..
(
f482f..
(
3d68f..
x0
x1
x2
x3
x4
)
(
4ae4a..
4a7ef..
)
)
x5
x6
(proof)
Known
fb20c..
:
∀ x0 x1 x2 x3 x4 .
f482f..
(
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x6 .
If_i
(
x6
=
4a7ef..
)
x0
(
If_i
(
x6
=
4ae4a..
4a7ef..
)
x1
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
x2
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
)
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
=
x2
Theorem
38ec6..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
x0
=
3d68f..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
∀ x7 .
prim1
x7
x1
⟶
x3
x6
x7
=
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x6
x7
(proof)
Theorem
6af8a..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
prim1
x5
x0
⟶
∀ x6 .
prim1
x6
x0
⟶
x2
x5
x6
=
2b2e3..
(
f482f..
(
3d68f..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x5
x6
(proof)
Param
decode_p
:
ι
→
ι
→
ο
Known
431f3..
:
∀ x0 x1 x2 x3 x4 .
f482f..
(
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x6 .
If_i
(
x6
=
4a7ef..
)
x0
(
If_i
(
x6
=
4ae4a..
4a7ef..
)
x1
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
x2
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
=
x3
Known
931fe..
:
∀ x0 .
∀ x1 :
ι → ο
.
∀ x2 .
prim1
x2
x0
⟶
decode_p
(
1216a..
x0
x1
)
x2
=
x1
x2
Theorem
bab90..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
x0
=
3d68f..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
x4
x6
=
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
x6
(proof)
Theorem
07fdf..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
prim1
x5
x0
⟶
x3
x5
=
decode_p
(
f482f..
(
3d68f..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
x5
(proof)
Known
ffdcd..
:
∀ x0 x1 x2 x3 x4 .
f482f..
(
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x6 .
If_i
(
x6
=
4a7ef..
)
x0
(
If_i
(
x6
=
4ae4a..
4a7ef..
)
x1
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
x2
(
If_i
(
x6
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
=
x4
Theorem
ead03..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
x0
=
3d68f..
x1
x2
x3
x4
x5
⟶
x5
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
db6e8..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 .
x4
=
f482f..
(
3d68f..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Definition
and
:=
λ x0 x1 : ο .
∀ x2 : ο .
(
x0
⟶
x1
⟶
x2
)
⟶
x2
Known
and5I
:
∀ x0 x1 x2 x3 x4 : ο .
x0
⟶
x1
⟶
x2
⟶
x3
⟶
x4
⟶
and
(
and
(
and
(
and
x0
x1
)
x2
)
x3
)
x4
Theorem
ba288..
:
∀ x0 x1 .
∀ x2 x3 x4 x5 :
ι →
ι → ο
.
∀ x6 x7 :
ι → ο
.
∀ x8 x9 .
3d68f..
x0
x2
x4
x6
x8
=
3d68f..
x1
x3
x5
x7
x9
⟶
and
(
and
(
and
(
and
(
x0
=
x1
)
(
∀ x10 .
prim1
x10
x0
⟶
∀ x11 .
prim1
x11
x0
⟶
x2
x10
x11
=
x3
x10
x11
)
)
(
∀ x10 .
prim1
x10
x0
⟶
∀ x11 .
prim1
x11
x0
⟶
x4
x10
x11
=
x5
x10
x11
)
)
(
∀ x10 .
prim1
x10
x0
⟶
x6
x10
=
x7
x10
)
)
(
x8
=
x9
)
(proof)
Param
iff
:
ο
→
ο
→
ο
Known
ee7ef..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
(
∀ x3 .
prim1
x3
x0
⟶
iff
(
x1
x3
)
(
x2
x3
)
)
⟶
1216a..
x0
x1
=
1216a..
x0
x2
Known
62ef7..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
(
∀ x3 .
prim1
x3
x0
⟶
∀ x4 .
prim1
x4
x0
⟶
iff
(
x1
x3
x4
)
(
x2
x3
x4
)
)
⟶
d2155..
x0
x1
=
d2155..
x0
x2
Theorem
d075f..
:
∀ x0 .
∀ x1 x2 x3 x4 :
ι →
ι → ο
.
∀ x5 x6 :
ι → ο
.
∀ x7 .
(
∀ x8 .
prim1
x8
x0
⟶
∀ x9 .
prim1
x9
x0
⟶
iff
(
x1
x8
x9
)
(
x2
x8
x9
)
)
⟶
(
∀ x8 .
prim1
x8
x0
⟶
∀ x9 .
prim1
x9
x0
⟶
iff
(
x3
x8
x9
)
(
x4
x8
x9
)
)
⟶
(
∀ x8 .
prim1
x8
x0
⟶
iff
(
x5
x8
)
(
x6
x8
)
)
⟶
3d68f..
x0
x1
x3
x5
x7
=
3d68f..
x0
x2
x4
x6
x7
(proof)
Definition
d469f..
:=
λ x0 .
∀ x1 :
ι → ο
.
(
∀ x2 .
∀ x3 x4 :
ι →
ι → ο
.
∀ x5 :
ι → ο
.
∀ x6 .
prim1
x6
x2
⟶
x1
(
3d68f..
x2
x3
x4
x5
x6
)
)
⟶
x1
x0
Theorem
bb5c0..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 .
prim1
x4
x0
⟶
d469f..
(
3d68f..
x0
x1
x2
x3
x4
)
(proof)
Theorem
02e09..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 .
d469f..
(
3d68f..
x0
x1
x2
x3
x4
)
⟶
prim1
x4
x0
(proof)
Known
iff_refl
:
∀ x0 : ο .
iff
x0
x0
Theorem
f7bea..
:
∀ x0 .
d469f..
x0
⟶
x0
=
3d68f..
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(proof)
Definition
cc817..
:=
λ x0 .
λ x1 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι → ι
.
x1
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
31e00..
:
∀ x0 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι → ι
.
∀ x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
(
∀ x6 :
ι →
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
∀ x8 .
prim1
x8
x1
⟶
iff
(
x2
x7
x8
)
(
x6
x7
x8
)
)
⟶
∀ x7 :
ι →
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
∀ x9 .
prim1
x9
x1
⟶
iff
(
x3
x8
x9
)
(
x7
x8
x9
)
)
⟶
∀ x8 :
ι → ο
.
(
∀ x9 .
prim1
x9
x1
⟶
iff
(
x4
x9
)
(
x8
x9
)
)
⟶
x0
x1
x6
x7
x8
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
cc817..
(
3d68f..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
d768a..
:=
λ x0 .
λ x1 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι → ο
.
x1
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
2349c..
:
∀ x0 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι → ο
.
∀ x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
(
∀ x6 :
ι →
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
∀ x8 .
prim1
x8
x1
⟶
iff
(
x2
x7
x8
)
(
x6
x7
x8
)
)
⟶
∀ x7 :
ι →
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
∀ x9 .
prim1
x9
x1
⟶
iff
(
x3
x8
x9
)
(
x7
x8
x9
)
)
⟶
∀ x8 :
ι → ο
.
(
∀ x9 .
prim1
x9
x1
⟶
iff
(
x4
x9
)
(
x8
x9
)
)
⟶
x0
x1
x6
x7
x8
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
d768a..
(
3d68f..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
0d9e7..
:=
λ x0 .
λ x1 x2 :
ι →
ι → ο
.
λ x3 x4 .
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x5 .
If_i
(
x5
=
4a7ef..
)
x0
(
If_i
(
x5
=
4ae4a..
4a7ef..
)
(
d2155..
x0
x1
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
(
d2155..
x0
x2
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
Theorem
e0b1d..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
x0
=
0d9e7..
x1
x2
x3
x4
x5
⟶
x1
=
f482f..
x0
4a7ef..
(proof)
Theorem
fffe9..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 .
x0
=
f482f..
(
0d9e7..
x0
x1
x2
x3
x4
)
4a7ef..
(proof)
Theorem
6e35b..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
x0
=
0d9e7..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
∀ x7 .
prim1
x7
x1
⟶
x2
x6
x7
=
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
x6
x7
(proof)
Theorem
c8f7f..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 x5 .
prim1
x5
x0
⟶
∀ x6 .
prim1
x6
x0
⟶
x1
x5
x6
=
2b2e3..
(
f482f..
(
0d9e7..
x0
x1
x2
x3
x4
)
(
4ae4a..
4a7ef..
)
)
x5
x6
(proof)
Theorem
94c28..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
x0
=
0d9e7..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
∀ x7 .
prim1
x7
x1
⟶
x3
x6
x7
=
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x6
x7
(proof)
Theorem
4b5da..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 x5 .
prim1
x5
x0
⟶
∀ x6 .
prim1
x6
x0
⟶
x2
x5
x6
=
2b2e3..
(
f482f..
(
0d9e7..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x5
x6
(proof)
Theorem
f1f54..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
x0
=
0d9e7..
x1
x2
x3
x4
x5
⟶
x4
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(proof)
Theorem
7e4a4..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 .
x3
=
f482f..
(
0d9e7..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(proof)
Theorem
6e26a..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
x0
=
0d9e7..
x1
x2
x3
x4
x5
⟶
x5
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
8569e..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 .
x4
=
f482f..
(
0d9e7..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
eb01a..
:
∀ x0 x1 .
∀ x2 x3 x4 x5 :
ι →
ι → ο
.
∀ x6 x7 x8 x9 .
0d9e7..
x0
x2
x4
x6
x8
=
0d9e7..
x1
x3
x5
x7
x9
⟶
and
(
and
(
and
(
and
(
x0
=
x1
)
(
∀ x10 .
prim1
x10
x0
⟶
∀ x11 .
prim1
x11
x0
⟶
x2
x10
x11
=
x3
x10
x11
)
)
(
∀ x10 .
prim1
x10
x0
⟶
∀ x11 .
prim1
x11
x0
⟶
x4
x10
x11
=
x5
x10
x11
)
)
(
x6
=
x7
)
)
(
x8
=
x9
)
(proof)
Theorem
44294..
:
∀ x0 .
∀ x1 x2 x3 x4 :
ι →
ι → ο
.
∀ x5 x6 .
(
∀ x7 .
prim1
x7
x0
⟶
∀ x8 .
prim1
x8
x0
⟶
iff
(
x1
x7
x8
)
(
x2
x7
x8
)
)
⟶
(
∀ x7 .
prim1
x7
x0
⟶
∀ x8 .
prim1
x8
x0
⟶
iff
(
x3
x7
x8
)
(
x4
x7
x8
)
)
⟶
0d9e7..
x0
x1
x3
x5
x6
=
0d9e7..
x0
x2
x4
x5
x6
(proof)
Definition
8f2ce..
:=
λ x0 .
∀ x1 :
ι → ο
.
(
∀ x2 .
∀ x3 x4 :
ι →
ι → ο
.
∀ x5 .
prim1
x5
x2
⟶
∀ x6 .
prim1
x6
x2
⟶
x1
(
0d9e7..
x2
x3
x4
x5
x6
)
)
⟶
x1
x0
Theorem
71832..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 .
prim1
x3
x0
⟶
∀ x4 .
prim1
x4
x0
⟶
8f2ce..
(
0d9e7..
x0
x1
x2
x3
x4
)
(proof)
Theorem
67912..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 .
8f2ce..
(
0d9e7..
x0
x1
x2
x3
x4
)
⟶
prim1
x3
x0
(proof)
Theorem
4108c..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 .
8f2ce..
(
0d9e7..
x0
x1
x2
x3
x4
)
⟶
prim1
x4
x0
(proof)
Theorem
ff222..
:
∀ x0 .
8f2ce..
x0
⟶
x0
=
0d9e7..
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(proof)
Definition
d6ebe..
:=
λ x0 .
λ x1 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
ι →
ι → ι
.
x1
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
7a018..
:
∀ x0 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
ι →
ι → ι
.
∀ x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
(
∀ x6 :
ι →
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
∀ x8 .
prim1
x8
x1
⟶
iff
(
x2
x7
x8
)
(
x6
x7
x8
)
)
⟶
∀ x7 :
ι →
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
∀ x9 .
prim1
x9
x1
⟶
iff
(
x3
x8
x9
)
(
x7
x8
x9
)
)
⟶
x0
x1
x6
x7
x4
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
d6ebe..
(
0d9e7..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
45090..
:=
λ x0 .
λ x1 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
ι →
ι → ο
.
x1
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
1283d..
:
∀ x0 :
ι →
(
ι →
ι → ο
)
→
(
ι →
ι → ο
)
→
ι →
ι → ο
.
∀ x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 .
(
∀ x6 :
ι →
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
∀ x8 .
prim1
x8
x1
⟶
iff
(
x2
x7
x8
)
(
x6
x7
x8
)
)
⟶
∀ x7 :
ι →
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
∀ x9 .
prim1
x9
x1
⟶
iff
(
x3
x8
x9
)
(
x7
x8
x9
)
)
⟶
x0
x1
x6
x7
x4
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
45090..
(
0d9e7..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
363b9..
:=
λ x0 .
λ x1 :
ι →
ι → ο
.
λ x2 :
ι → ο
.
λ x3 x4 .
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x5 .
If_i
(
x5
=
4a7ef..
)
x0
(
If_i
(
x5
=
4ae4a..
4a7ef..
)
(
d2155..
x0
x1
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
(
1216a..
x0
x2
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
Theorem
16b9f..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
x0
=
363b9..
x1
x2
x3
x4
x5
⟶
x1
=
f482f..
x0
4a7ef..
(proof)
Theorem
07bb5..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 .
x0
=
f482f..
(
363b9..
x0
x1
x2
x3
x4
)
4a7ef..
(proof)
Theorem
d5f6d..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
x0
=
363b9..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
∀ x7 .
prim1
x7
x1
⟶
x2
x6
x7
=
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
x6
x7
(proof)
Theorem
b9b42..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 x5 .
prim1
x5
x0
⟶
∀ x6 .
prim1
x6
x0
⟶
x1
x5
x6
=
2b2e3..
(
f482f..
(
363b9..
x0
x1
x2
x3
x4
)
(
4ae4a..
4a7ef..
)
)
x5
x6
(proof)
Theorem
e66ce..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
x0
=
363b9..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
x3
x6
=
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x6
(proof)
Theorem
ee1d2..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 x5 .
prim1
x5
x0
⟶
x2
x5
=
decode_p
(
f482f..
(
363b9..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x5
(proof)
Theorem
3c050..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
x0
=
363b9..
x1
x2
x3
x4
x5
⟶
x4
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(proof)
Theorem
5b944..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 .
x3
=
f482f..
(
363b9..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(proof)
Theorem
fb682..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
x0
=
363b9..
x1
x2
x3
x4
x5
⟶
x5
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
7a66d..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 .
x4
=
f482f..
(
363b9..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
c33e3..
:
∀ x0 x1 .
∀ x2 x3 :
ι →
ι → ο
.
∀ x4 x5 :
ι → ο
.
∀ x6 x7 x8 x9 .
363b9..
x0
x2
x4
x6
x8
=
363b9..
x1
x3
x5
x7
x9
⟶
and
(
and
(
and
(
and
(
x0
=
x1
)
(
∀ x10 .
prim1
x10
x0
⟶
∀ x11 .
prim1
x11
x0
⟶
x2
x10
x11
=
x3
x10
x11
)
)
(
∀ x10 .
prim1
x10
x0
⟶
x4
x10
=
x5
x10
)
)
(
x6
=
x7
)
)
(
x8
=
x9
)
(proof)
Theorem
1c47d..
:
∀ x0 .
∀ x1 x2 :
ι →
ι → ο
.
∀ x3 x4 :
ι → ο
.
∀ x5 x6 .
(
∀ x7 .
prim1
x7
x0
⟶
∀ x8 .
prim1
x8
x0
⟶
iff
(
x1
x7
x8
)
(
x2
x7
x8
)
)
⟶
(
∀ x7 .
prim1
x7
x0
⟶
iff
(
x3
x7
)
(
x4
x7
)
)
⟶
363b9..
x0
x1
x3
x5
x6
=
363b9..
x0
x2
x4
x5
x6
(proof)
Definition
b0aa9..
:=
λ x0 .
∀ x1 :
ι → ο
.
(
∀ x2 .
∀ x3 :
ι →
ι → ο
.
∀ x4 :
ι → ο
.
∀ x5 .
prim1
x5
x2
⟶
∀ x6 .
prim1
x6
x2
⟶
x1
(
363b9..
x2
x3
x4
x5
x6
)
)
⟶
x1
x0
Theorem
57c76..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 .
prim1
x3
x0
⟶
∀ x4 .
prim1
x4
x0
⟶
b0aa9..
(
363b9..
x0
x1
x2
x3
x4
)
(proof)
Theorem
f788e..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 .
b0aa9..
(
363b9..
x0
x1
x2
x3
x4
)
⟶
prim1
x3
x0
(proof)
Theorem
6c77d..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
∀ x2 :
ι → ο
.
∀ x3 x4 .
b0aa9..
(
363b9..
x0
x1
x2
x3
x4
)
⟶
prim1
x4
x0
(proof)
Theorem
ed400..
:
∀ x0 .
b0aa9..
x0
⟶
x0
=
363b9..
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(proof)
Definition
6cae4..
:=
λ x0 .
λ x1 :
ι →
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ι
.
x1
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
dccff..
:
∀ x0 :
ι →
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ι
.
∀ x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
(
∀ x6 :
ι →
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
∀ x8 .
prim1
x8
x1
⟶
iff
(
x2
x7
x8
)
(
x6
x7
x8
)
)
⟶
∀ x7 :
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
iff
(
x3
x8
)
(
x7
x8
)
)
⟶
x0
x1
x6
x7
x4
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
6cae4..
(
363b9..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
f5144..
:=
λ x0 .
λ x1 :
ι →
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ο
.
x1
(
f482f..
x0
4a7ef..
)
(
2b2e3..
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
00522..
:
∀ x0 :
ι →
(
ι →
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ο
.
∀ x1 .
∀ x2 :
ι →
ι → ο
.
∀ x3 :
ι → ο
.
∀ x4 x5 .
(
∀ x6 :
ι →
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
∀ x8 .
prim1
x8
x1
⟶
iff
(
x2
x7
x8
)
(
x6
x7
x8
)
)
⟶
∀ x7 :
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
iff
(
x3
x8
)
(
x7
x8
)
)
⟶
x0
x1
x6
x7
x4
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
f5144..
(
363b9..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
97f57..
:=
λ x0 .
λ x1 x2 :
ι → ο
.
λ x3 x4 .
0fc90..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(
λ x5 .
If_i
(
x5
=
4a7ef..
)
x0
(
If_i
(
x5
=
4ae4a..
4a7ef..
)
(
1216a..
x0
x1
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
4a7ef..
)
)
(
1216a..
x0
x2
)
(
If_i
(
x5
=
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x3
x4
)
)
)
)
Theorem
6ab76..
:
∀ x0 x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
x0
=
97f57..
x1
x2
x3
x4
x5
⟶
x1
=
f482f..
x0
4a7ef..
(proof)
Theorem
9c391..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 .
x0
=
f482f..
(
97f57..
x0
x1
x2
x3
x4
)
4a7ef..
(proof)
Theorem
e2b9c..
:
∀ x0 x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
x0
=
97f57..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
x2
x6
=
decode_p
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
x6
(proof)
Theorem
91639..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 x5 .
prim1
x5
x0
⟶
x1
x5
=
decode_p
(
f482f..
(
97f57..
x0
x1
x2
x3
x4
)
(
4ae4a..
4a7ef..
)
)
x5
(proof)
Theorem
87536..
:
∀ x0 x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
x0
=
97f57..
x1
x2
x3
x4
x5
⟶
∀ x6 .
prim1
x6
x1
⟶
x3
x6
=
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x6
(proof)
Theorem
ffd4f..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 x5 .
prim1
x5
x0
⟶
x2
x5
=
decode_p
(
f482f..
(
97f57..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
x5
(proof)
Theorem
7317d..
:
∀ x0 x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
x0
=
97f57..
x1
x2
x3
x4
x5
⟶
x4
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(proof)
Theorem
eda5f..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 .
x3
=
f482f..
(
97f57..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
(proof)
Theorem
09398..
:
∀ x0 x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
x0
=
97f57..
x1
x2
x3
x4
x5
⟶
x5
=
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
ee4fc..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 .
x4
=
f482f..
(
97f57..
x0
x1
x2
x3
x4
)
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(proof)
Theorem
121e6..
:
∀ x0 x1 .
∀ x2 x3 x4 x5 :
ι → ο
.
∀ x6 x7 x8 x9 .
97f57..
x0
x2
x4
x6
x8
=
97f57..
x1
x3
x5
x7
x9
⟶
and
(
and
(
and
(
and
(
x0
=
x1
)
(
∀ x10 .
prim1
x10
x0
⟶
x2
x10
=
x3
x10
)
)
(
∀ x10 .
prim1
x10
x0
⟶
x4
x10
=
x5
x10
)
)
(
x6
=
x7
)
)
(
x8
=
x9
)
(proof)
Theorem
2b7cd..
:
∀ x0 .
∀ x1 x2 x3 x4 :
ι → ο
.
∀ x5 x6 .
(
∀ x7 .
prim1
x7
x0
⟶
iff
(
x1
x7
)
(
x2
x7
)
)
⟶
(
∀ x7 .
prim1
x7
x0
⟶
iff
(
x3
x7
)
(
x4
x7
)
)
⟶
97f57..
x0
x1
x3
x5
x6
=
97f57..
x0
x2
x4
x5
x6
(proof)
Definition
c19ad..
:=
λ x0 .
∀ x1 :
ι → ο
.
(
∀ x2 .
∀ x3 x4 :
ι → ο
.
∀ x5 .
prim1
x5
x2
⟶
∀ x6 .
prim1
x6
x2
⟶
x1
(
97f57..
x2
x3
x4
x5
x6
)
)
⟶
x1
x0
Theorem
86de4..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 .
prim1
x3
x0
⟶
∀ x4 .
prim1
x4
x0
⟶
c19ad..
(
97f57..
x0
x1
x2
x3
x4
)
(proof)
Theorem
f20e8..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 .
c19ad..
(
97f57..
x0
x1
x2
x3
x4
)
⟶
prim1
x3
x0
(proof)
Theorem
50e1c..
:
∀ x0 .
∀ x1 x2 :
ι → ο
.
∀ x3 x4 .
c19ad..
(
97f57..
x0
x1
x2
x3
x4
)
⟶
prim1
x4
x0
(proof)
Theorem
c309c..
:
∀ x0 .
c19ad..
x0
⟶
x0
=
97f57..
(
f482f..
x0
4a7ef..
)
(
decode_p
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
(proof)
Definition
0ca1b..
:=
λ x0 .
λ x1 :
ι →
(
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ι
.
x1
(
f482f..
x0
4a7ef..
)
(
decode_p
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
9119e..
:
∀ x0 :
ι →
(
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ι
.
∀ x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
(
∀ x6 :
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
iff
(
x2
x7
)
(
x6
x7
)
)
⟶
∀ x7 :
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
iff
(
x3
x8
)
(
x7
x8
)
)
⟶
x0
x1
x6
x7
x4
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
0ca1b..
(
97f57..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)
Definition
008b9..
:=
λ x0 .
λ x1 :
ι →
(
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ο
.
x1
(
f482f..
x0
4a7ef..
)
(
decode_p
(
f482f..
x0
(
4ae4a..
4a7ef..
)
)
)
(
decode_p
(
f482f..
x0
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
(
f482f..
x0
(
4ae4a..
(
4ae4a..
(
4ae4a..
(
4ae4a..
4a7ef..
)
)
)
)
)
Theorem
e3f76..
:
∀ x0 :
ι →
(
ι → ο
)
→
(
ι → ο
)
→
ι →
ι → ο
.
∀ x1 .
∀ x2 x3 :
ι → ο
.
∀ x4 x5 .
(
∀ x6 :
ι → ο
.
(
∀ x7 .
prim1
x7
x1
⟶
iff
(
x2
x7
)
(
x6
x7
)
)
⟶
∀ x7 :
ι → ο
.
(
∀ x8 .
prim1
x8
x1
⟶
iff
(
x3
x8
)
(
x7
x8
)
)
⟶
x0
x1
x6
x7
x4
x5
=
x0
x1
x2
x3
x4
x5
)
⟶
008b9..
(
97f57..
x1
x2
x3
x4
x5
)
x0
=
x0
x1
x2
x3
x4
x5
(proof)