Search for blocks/addresses/...
Proofgold Asset
asset id
d8766945541fde9615da0d95f466691036999a70bd6653a1b8a598240abddb58
asset hash
ae76f8bc8c662b3f6a0647fd9ee3074feea13bac524b2e406af9023cc2a5ae7a
bday / block
34113
tx
6aab1..
preasset
doc published by
Pr4zB..
Definition
and
and
:=
λ x0 x1 : ο .
∀ x2 : ο .
(
x0
⟶
x1
⟶
x2
)
⟶
x2
Definition
inj
inj
:=
λ x0 x1 .
λ x2 :
ι → ι
.
and
(
∀ x3 .
x3
∈
x0
⟶
x2
x3
∈
x1
)
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
x2
x3
=
x2
x4
⟶
x3
=
x4
)
Definition
atleastp
atleastp
:=
λ x0 x1 .
∀ x2 : ο .
(
∀ x3 :
ι → ι
.
inj
x0
x1
x3
⟶
x2
)
⟶
x2
Param
ordsucc
ordsucc
:
ι
→
ι
Param
setminus
setminus
:
ι
→
ι
→
ι
Param
Sing
Sing
:
ι
→
ι
Known
andI
andI
:
∀ x0 x1 : ο .
x0
⟶
x1
⟶
and
x0
x1
Known
ordsuccI2
ordsuccI2
:
∀ x0 .
x0
∈
ordsucc
x0
Definition
False
False
:=
∀ x0 : ο .
x0
Definition
not
not
:=
λ x0 : ο .
x0
⟶
False
Definition
nIn
nIn
:=
λ x0 x1 .
not
(
x0
∈
x1
)
Known
setminusI
setminusI
:
∀ x0 x1 x2 .
x2
∈
x0
⟶
nIn
x2
x1
⟶
x2
∈
setminus
x0
x1
Definition
Subq
Subq
:=
λ x0 x1 .
∀ x2 .
x2
∈
x0
⟶
x2
∈
x1
Known
ordsuccI1
ordsuccI1
:
∀ x0 .
x0
⊆
ordsucc
x0
Known
In_irref
In_irref
:
∀ x0 .
nIn
x0
x0
Known
SingE
SingE
:
∀ x0 x1 .
x1
∈
Sing
x0
⟶
x1
=
x0
Theorem
e2ea8..
:
∀ x0 x1 .
atleastp
(
ordsucc
x0
)
x1
⟶
∀ x2 : ο .
(
∀ x3 .
and
(
x3
∈
x1
)
(
atleastp
x0
(
setminus
x1
(
Sing
x3
)
)
)
⟶
x2
)
⟶
x2
(proof)
Param
equip
equip
:
ι
→
ι
→
ο
Param
u3
:
ι
Definition
u4
:=
ordsucc
u3
Param
binunion
binunion
:
ι
→
ι
→
ι
Definition
SetAdjoin
SetAdjoin
:=
λ x0 x1 .
binunion
x0
(
Sing
x1
)
Param
UPair
UPair
:
ι
→
ι
→
ι
Known
e8bc0..
equip_adjoin_ordsucc
:
∀ x0 x1 x2 .
nIn
x2
x1
⟶
equip
x0
x1
⟶
equip
(
ordsucc
x0
)
(
binunion
x1
(
Sing
x2
)
)
Known
aa241..
:
∀ x0 x1 x2 .
∀ x3 :
ι → ο
.
x3
x0
⟶
x3
x1
⟶
x3
x2
⟶
∀ x4 .
x4
∈
SetAdjoin
(
UPair
x0
x1
)
x2
⟶
x3
x4
Known
b2ff4..
:
∀ x0 x1 x2 .
(
x0
=
x1
⟶
∀ x3 : ο .
x3
)
⟶
(
x0
=
x2
⟶
∀ x3 : ο .
x3
)
⟶
(
x1
=
x2
⟶
∀ x3 : ο .
x3
)
⟶
equip
u3
(
SetAdjoin
(
UPair
x0
x1
)
x2
)
Theorem
7204a..
:
∀ x0 x1 x2 x3 .
(
x0
=
x1
⟶
∀ x4 : ο .
x4
)
⟶
(
x0
=
x2
⟶
∀ x4 : ο .
x4
)
⟶
(
x1
=
x2
⟶
∀ x4 : ο .
x4
)
⟶
(
x0
=
x3
⟶
∀ x4 : ο .
x4
)
⟶
(
x1
=
x3
⟶
∀ x4 : ο .
x4
)
⟶
(
x2
=
x3
⟶
∀ x4 : ο .
x4
)
⟶
equip
u4
(
SetAdjoin
(
SetAdjoin
(
UPair
x0
x1
)
x2
)
x3
)
(proof)
Definition
u5
:=
ordsucc
u4
Known
8698a..
:
∀ x0 x1 x2 x3 .
∀ x4 :
ι → ο
.
x4
x0
⟶
x4
x1
⟶
x4
x2
⟶
x4
x3
⟶
∀ x5 .
x5
∈
SetAdjoin
(
SetAdjoin
(
UPair
x0
x1
)
x2
)
x3
⟶
x4
x5
Theorem
4aec2..
:
∀ x0 x1 x2 x3 x4 .
(
x0
=
x1
⟶
∀ x5 : ο .
x5
)
⟶
(
x0
=
x2
⟶
∀ x5 : ο .
x5
)
⟶
(
x1
=
x2
⟶
∀ x5 : ο .
x5
)
⟶
(
x0
=
x3
⟶
∀ x5 : ο .
x5
)
⟶
(
x1
=
x3
⟶
∀ x5 : ο .
x5
)
⟶
(
x2
=
x3
⟶
∀ x5 : ο .
x5
)
⟶
(
x0
=
x4
⟶
∀ x5 : ο .
x5
)
⟶
(
x1
=
x4
⟶
∀ x5 : ο .
x5
)
⟶
(
x2
=
x4
⟶
∀ x5 : ο .
x5
)
⟶
(
x3
=
x4
⟶
∀ x5 : ο .
x5
)
⟶
equip
u5
(
SetAdjoin
(
SetAdjoin
(
SetAdjoin
(
UPair
x0
x1
)
x2
)
x3
)
x4
)
(proof)
Known
Subq_tra
Subq_tra
:
∀ x0 x1 x2 .
x0
⊆
x1
⟶
x1
⊆
x2
⟶
x0
⊆
x2
Theorem
3ebe5..
:
∀ x0 x1 .
∀ x2 :
ι → ο
.
x0
⊆
x1
⟶
(
∀ x3 .
x3
⊆
x1
⟶
x2
x3
)
⟶
∀ x3 .
x3
⊆
x0
⟶
x2
x3
(proof)
Definition
cdfa5..
:=
λ x0 x1 .
λ x2 :
ι →
ι → ο
.
∀ x3 .
x3
⊆
x1
⟶
atleastp
x0
x3
⟶
not
(
∀ x4 .
x4
∈
x3
⟶
∀ x5 .
x5
∈
x3
⟶
(
x4
=
x5
⟶
∀ x6 : ο .
x6
)
⟶
x2
x4
x5
)
Theorem
2fbe3..
:
∀ x0 x1 x2 .
∀ x3 :
ι →
ι → ο
.
x1
⊆
x2
⟶
cdfa5..
x0
x2
x3
⟶
cdfa5..
x0
x1
x3
(proof)
Definition
4402e..
:=
cdfa5..
u3
Theorem
a55d1..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
x0
⊆
x1
⟶
4402e..
x1
x2
⟶
4402e..
x0
x2
(proof)
Known
equip_atleastp
equip_atleastp
:
∀ x0 x1 .
equip
x0
x1
⟶
atleastp
x0
x1
Known
FalseE
FalseE
:
False
⟶
∀ x0 : ο .
x0
Theorem
61345..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
4402e..
x0
x1
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
(
x2
=
x3
⟶
∀ x5 : ο .
x5
)
⟶
(
x2
=
x4
⟶
∀ x5 : ο .
x5
)
⟶
(
x3
=
x4
⟶
∀ x5 : ο .
x5
)
⟶
x1
x2
x3
⟶
x1
x2
x4
⟶
x1
x3
x4
⟶
False
(proof)
Definition
2bc70..
:=
cdfa5..
u5
Known
9b26d..
:
∀ x0 x1 x2 x3 x4 .
∀ x5 :
ι → ο
.
x5
x0
⟶
x5
x1
⟶
x5
x2
⟶
x5
x3
⟶
x5
x4
⟶
∀ x6 .
x6
∈
SetAdjoin
(
SetAdjoin
(
SetAdjoin
(
UPair
x0
x1
)
x2
)
x3
)
x4
⟶
x5
x6
Theorem
860e7..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
2bc70..
x0
x1
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
(
x2
=
x3
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x4
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x4
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
(
x5
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
x1
x2
x3
⟶
x1
x2
x4
⟶
x1
x3
x4
⟶
x1
x2
x5
⟶
x1
x3
x5
⟶
x1
x4
x5
⟶
x1
x2
x6
⟶
x1
x3
x6
⟶
x1
x4
x6
⟶
x1
x5
x6
⟶
False
(proof)
Definition
cf2df..
:=
λ x0 .
λ x1 :
ι →
ι → ο
.
2bc70..
x0
(
λ x2 x3 .
not
(
x1
x2
x3
)
)
Theorem
e7c7c..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
x0
⊆
x1
⟶
cf2df..
x1
x2
⟶
cf2df..
x0
x2
(proof)
Theorem
53a3c..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
not
(
x1
x2
x3
)
⟶
not
(
x1
x3
x2
)
)
⟶
cf2df..
x0
x1
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
(
x2
=
x3
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x4
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x4
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
(
x5
=
x6
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x1
x2
x3
)
⟶
not
(
x1
x2
x4
)
⟶
not
(
x1
x3
x4
)
⟶
not
(
x1
x2
x5
)
⟶
not
(
x1
x3
x5
)
⟶
not
(
x1
x4
x5
)
⟶
not
(
x1
x2
x6
)
⟶
not
(
x1
x3
x6
)
⟶
not
(
x1
x4
x6
)
⟶
not
(
x1
x5
x6
)
⟶
False
(proof)
Definition
8b6ad..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
not
(
x0
x1
x3
)
⟶
not
(
x0
x2
x3
)
⟶
not
(
x0
x1
x4
)
⟶
not
(
x0
x2
x4
)
⟶
not
(
x0
x3
x4
)
⟶
x5
)
⟶
x5
Definition
91306..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
not
(
x0
x1
x3
)
⟶
x0
x2
x3
⟶
x0
x1
x4
⟶
not
(
x0
x2
x4
)
⟶
not
(
x0
x3
x4
)
⟶
x5
)
⟶
x5
Definition
65a4c..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
x0
x1
x3
⟶
x0
x2
x3
⟶
x0
x1
x4
⟶
x0
x2
x4
⟶
not
(
x0
x3
x4
)
⟶
x5
)
⟶
x5
Definition
2f869..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
not
(
x0
x1
x3
)
⟶
not
(
x0
x2
x3
)
⟶
not
(
x0
x1
x4
)
⟶
not
(
x0
x2
x4
)
⟶
x0
x3
x4
⟶
x5
)
⟶
x5
Definition
a1d37..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
not
(
x0
x1
x3
)
⟶
x0
x2
x3
⟶
x0
x1
x4
⟶
not
(
x0
x2
x4
)
⟶
x0
x3
x4
⟶
x5
)
⟶
x5
Definition
180f5..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
not
(
x0
x1
x3
)
⟶
not
(
x0
x2
x3
)
⟶
not
(
x0
x1
x4
)
⟶
x0
x2
x4
⟶
x0
x3
x4
⟶
x5
)
⟶
x5
Definition
9b945..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 .
∀ x5 : ο .
(
(
x1
=
x2
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x1
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
not
(
x0
x1
x2
)
⟶
not
(
x0
x1
x3
)
⟶
not
(
x0
x2
x3
)
⟶
x0
x1
x4
⟶
x0
x2
x4
⟶
x0
x3
x4
⟶
x5
)
⟶
x5
Known
d03c6..
:
∀ x0 .
atleastp
u4
x0
⟶
∀ x1 : ο .
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
(
x2
=
x3
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x2
=
x5
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x4
⟶
∀ x6 : ο .
x6
)
⟶
(
x3
=
x5
⟶
∀ x6 : ο .
x6
)
⟶
(
x4
=
x5
⟶
∀ x6 : ο .
x6
)
⟶
x1
)
⟶
x1
Definition
or
or
:=
λ x0 x1 : ο .
∀ x2 : ο .
(
x0
⟶
x2
)
⟶
(
x1
⟶
x2
)
⟶
x2
Known
xm
xm
:
∀ x0 : ο .
or
x0
(
not
x0
)
Known
neq_i_sym
neq_i_sym
:
∀ x0 x1 .
(
x0
=
x1
⟶
∀ x2 : ο .
x2
)
⟶
x1
=
x0
⟶
∀ x2 : ο .
x2
Theorem
a10f1..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
atleastp
u4
x0
⟶
4402e..
x0
x1
⟶
∀ x2 : ο .
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
8b6ad..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
91306..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
65a4c..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
2f869..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
a1d37..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
180f5..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
9b945..
x1
x3
x4
x5
x6
⟶
x2
)
⟶
x2
(proof)
Theorem
d7596..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
8b6ad..
x1
x2
x3
x4
x5
⟶
8b6ad..
x1
x3
x2
x4
x5
(proof)
Theorem
d257b..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
8b6ad..
x1
x2
x3
x4
x5
⟶
8b6ad..
x1
x3
x4
x2
x5
(proof)
Theorem
e7d99..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
8b6ad..
x1
x2
x3
x4
x5
⟶
8b6ad..
x1
x5
x2
x3
x4
(proof)
Theorem
51a01..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
8b6ad..
x1
x2
x3
x4
x5
⟶
8b6ad..
x1
x4
x5
x2
x3
(proof)
Theorem
764ed..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
8b6ad..
x1
x2
x3
x4
x5
⟶
8b6ad..
x1
x3
x4
x5
x2
(proof)
Theorem
da9f0..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
8b6ad..
x1
x2
x3
x4
x5
⟶
8b6ad..
x1
x3
x2
x5
x4
(proof)
Definition
5a3b5..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
2f869..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x0
x1
x5
)
⟶
x0
x2
x5
⟶
not
(
x0
x3
x5
)
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
6ff44..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
2f869..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
x0
x2
x5
⟶
not
(
x0
x3
x5
)
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
32385..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
a1d37..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
x0
x2
x5
⟶
not
(
x0
x3
x5
)
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
0ee5a..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
180f5..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
not
(
x0
x2
x5
)
⟶
x0
x3
x5
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
45422..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
180f5..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x0
x1
x5
)
⟶
x0
x2
x5
⟶
x0
x3
x5
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
22dda..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
180f5..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
x0
x2
x5
⟶
x0
x3
x5
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
58403..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
9b945..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
x0
x2
x5
⟶
x0
x3
x5
⟶
not
(
x0
x4
x5
)
⟶
x6
)
⟶
x6
Definition
62523..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
8b6ad..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x0
x1
x5
)
⟶
not
(
x0
x2
x5
)
⟶
not
(
x0
x3
x5
)
⟶
x0
x4
x5
⟶
x6
)
⟶
x6
Definition
87c36..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
2f869..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x0
x1
x5
)
⟶
x0
x2
x5
⟶
not
(
x0
x3
x5
)
⟶
x0
x4
x5
⟶
x6
)
⟶
x6
Definition
42d13..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
2f869..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
x0
x2
x5
⟶
not
(
x0
x3
x5
)
⟶
x0
x4
x5
⟶
x6
)
⟶
x6
Definition
c5756..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
8b6ad..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x0
x1
x5
)
⟶
not
(
x0
x2
x5
)
⟶
x0
x3
x5
⟶
x0
x4
x5
⟶
x6
)
⟶
x6
Definition
2b028..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
8b6ad..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
not
(
x0
x1
x5
)
⟶
x0
x2
x5
⟶
x0
x3
x5
⟶
x0
x4
x5
⟶
x6
)
⟶
x6
Definition
80df3..
:=
λ x0 :
ι →
ι → ο
.
λ x1 x2 x3 x4 x5 .
∀ x6 : ο .
(
8b6ad..
x0
x1
x2
x3
x4
⟶
(
x1
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x2
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x3
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
(
x4
=
x5
⟶
∀ x7 : ο .
x7
)
⟶
x0
x1
x5
⟶
x0
x2
x5
⟶
x0
x3
x5
⟶
x0
x4
x5
⟶
x6
)
⟶
x6
Known
setminusE
setminusE
:
∀ x0 x1 x2 .
x2
∈
setminus
x0
x1
⟶
and
(
x2
∈
x0
)
(
nIn
x2
x1
)
Known
SingI
SingI
:
∀ x0 .
x0
∈
Sing
x0
Theorem
be264..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
cf2df..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
8b6ad..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
62523..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
c5756..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
2b028..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
80df3..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
x8
(proof)
Known
setminus_Subq
setminus_Subq
:
∀ x0 x1 .
setminus
x0
x1
⊆
x0
Theorem
6ab71..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
4402e..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
91306..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
5a3b5..
x2
x3
x9
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
6ff44..
x2
x9
x3
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
0ee5a..
x2
x9
x10
x3
x11
x12
⟶
x8
)
⟶
x8
(proof)
Theorem
9c958..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
4402e..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
65a4c..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
45422..
x2
x3
x9
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
22dda..
x2
x3
x9
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
58403..
x2
x9
x10
x3
x11
x12
⟶
x8
)
⟶
x8
(proof)
Theorem
03b78..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
2f869..
x1
x2
x3
x4
x5
⟶
2f869..
x1
x3
x2
x4
x5
(proof)
Theorem
fe03b..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
2f869..
x1
x2
x3
x4
x5
⟶
2f869..
x1
x2
x3
x5
x4
(proof)
Theorem
33ada..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
2f869..
x1
x2
x3
x4
x5
⟶
2f869..
x1
x3
x2
x5
x4
(proof)
Theorem
a1082..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
4402e..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
2f869..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
5a3b5..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
6ff44..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
62523..
x2
x9
x10
x3
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
87c36..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
42d13..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
c5756..
x2
x9
x10
x11
x3
x12
⟶
x8
)
⟶
x8
(proof)
Theorem
eaeac..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
4402e..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
a1d37..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
32385..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
0ee5a..
x2
x9
x3
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
22dda..
x2
x9
x10
x3
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
87c36..
x2
x3
x9
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
42d13..
x2
x9
x3
x10
x11
x12
⟶
x8
)
⟶
x8
(proof)
Theorem
04dd3..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
180f5..
x1
x2
x3
x4
x5
⟶
180f5..
x1
x2
x4
x3
x5
(proof)
Theorem
59a5e..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
4402e..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
180f5..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
6ff44..
x2
x9
x10
x11
x3
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
0ee5a..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
45422..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
22dda..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
87c36..
x2
x9
x10
x3
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
42d13..
x2
x9
x10
x11
x3
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
c5756..
x2
x9
x3
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
2b028..
x2
x9
x10
x11
x3
x12
⟶
x8
)
⟶
x8
(proof)
Theorem
c03d6..
:
∀ x0 x1 .
∀ x2 :
ι →
ι → ο
.
(
∀ x3 .
x3
∈
x1
⟶
∀ x4 .
x4
∈
x1
⟶
x2
x3
x4
⟶
x2
x4
x3
)
⟶
4402e..
x1
x2
⟶
∀ x3 .
x3
∈
x1
⟶
x0
⊆
setminus
x1
(
Sing
x3
)
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
9b945..
x2
x4
x5
x6
x7
⟶
∀ x8 : ο .
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
22dda..
x2
x9
x10
x11
x3
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
58403..
x2
x9
x10
x11
x12
x3
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
42d13..
x2
x9
x10
x3
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
2b028..
x2
x3
x9
x10
x11
x12
⟶
x8
)
⟶
(
∀ x9 .
x9
∈
x0
⟶
∀ x10 .
x10
∈
x0
⟶
∀ x11 .
x11
∈
x0
⟶
∀ x12 .
x12
∈
x0
⟶
80df3..
x2
x9
x10
x11
x3
x12
⟶
x8
)
⟶
x8
(proof)
Known
Subq_ref
Subq_ref
:
∀ x0 .
x0
⊆
x0
Known
setminusE1
setminusE1
:
∀ x0 x1 x2 .
x2
∈
setminus
x0
x1
⟶
x2
∈
x0
Theorem
7a154..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
atleastp
u5
x0
⟶
4402e..
x0
x1
⟶
cf2df..
x0
x1
⟶
∀ x2 : ο .
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
5a3b5..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
6ff44..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
32385..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
0ee5a..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
45422..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
22dda..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
58403..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
62523..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
87c36..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
42d13..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
c5756..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
2b028..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
(
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
∀ x7 .
x7
∈
x0
⟶
80df3..
x1
x3
x4
x5
x6
x7
⟶
x2
)
⟶
x2
(proof)
Theorem
66a94..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
5a3b5..
x1
x2
x3
x4
x5
x6
⟶
5a3b5..
x1
x2
x3
x5
x4
x6
(proof)
Theorem
bfe59..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
5a3b5..
x1
x2
x3
x4
x5
x6
⟶
5a3b5..
x1
x2
x6
x4
x5
x3
(proof)
Theorem
3236d..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
45422..
x1
x2
x3
x4
x5
x6
⟶
45422..
x1
x2
x3
x4
x6
x5
(proof)
Theorem
412d7..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x3
x2
x4
x5
x6
(proof)
Theorem
e6ce7..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x2
x4
x3
x5
x6
(proof)
Theorem
01a24..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x2
x3
x4
x6
x5
(proof)
Theorem
91090..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x3
x4
x2
x5
x6
(proof)
Theorem
7cfa7..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
c5756..
x1
x2
x3
x4
x5
x6
⟶
c5756..
x1
x3
x2
x4
x5
x6
(proof)
Theorem
c8c81..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
c5756..
x1
x2
x3
x4
x5
x6
⟶
c5756..
x1
x2
x3
x5
x4
x6
(proof)
Theorem
5d146..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
c5756..
x1
x2
x3
x4
x5
x6
⟶
c5756..
x1
x3
x2
x5
x4
x6
(proof)
Theorem
d804d..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
2b028..
x1
x2
x3
x4
x5
x6
⟶
2b028..
x1
x2
x4
x3
x5
x6
(proof)
Theorem
f6130..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
2b028..
x1
x2
x3
x4
x5
x6
⟶
2b028..
x1
x2
x4
x5
x3
x6
(proof)
Theorem
86574..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x3
x2
x4
x6
x5
(proof)
Theorem
0c032..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
5a3b5..
x1
x2
x3
x4
x5
x6
⟶
5a3b5..
x1
x2
x4
x3
x6
x5
(proof)
Theorem
f957b..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x2
x4
x3
x6
x5
(proof)
Theorem
41efe..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
87c36..
x1
x2
x3
x4
x5
x6
⟶
87c36..
x1
x2
x4
x3
x6
x5
(proof)
Theorem
f0c7f..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
5a3b5..
x1
x2
x3
x4
x5
x6
⟶
5a3b5..
x1
x2
x5
x6
x3
x4
(proof)
Theorem
2c467..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
45422..
x1
x2
x3
x4
x5
x6
⟶
45422..
x1
x2
x5
x6
x3
x4
(proof)
Theorem
e3c64..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
45422..
x1
x2
x3
x4
x5
x6
⟶
45422..
x1
x2
x6
x5
x4
x3
(proof)
Theorem
1af34..
:
∀ x0 .
∀ x1 :
ι →
ι → ο
.
(
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
x1
x2
x3
⟶
x1
x3
x2
)
⟶
∀ x2 .
x2
∈
x0
⟶
∀ x3 .
x3
∈
x0
⟶
∀ x4 .
x4
∈
x0
⟶
∀ x5 .
x5
∈
x0
⟶
∀ x6 .
x6
∈
x0
⟶
62523..
x1
x2
x3
x4
x5
x6
⟶
62523..
x1
x3
x4
x2
x6
x5
(proof)