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Proofgold Asset
asset id
5ce238c045b6d2f9cbeff68382da972f70ddec972c1a4123a92fb824eda5c385
asset hash
ef23855d623ac685bead81f30765679ab68a4af279c47387dde59927636f4b17
bday / block
35124
tx
999b2..
preasset
doc published by
PrPhD..
Definition
False
False
:=
∀ x0 : ο .
x0
Definition
not
not
:=
λ x0 : ο .
x0
⟶
False
Theorem
a7607..
:
∀ x0 :
ι →
ι → ο
.
∀ x1 :
ι →
ι → ι
.
∀ x2 .
∀ x3 :
ι → ο
.
∀ x4 :
ι → ι
.
∀ x5 :
ι →
ι → ι
.
∀ x6 :
ι → ο
.
∀ x7 .
∀ x8 :
ι →
ι →
ι → ι
.
∀ x9 :
ι → ο
.
∀ x10 x11 x12 :
ι → ι
.
∀ x13 :
ι → ο
.
∀ x14 x15 x16 :
ι → ι
.
∀ x17 :
ι →
ι → ο
.
∀ x18 :
ι →
ι → ι
.
∀ x19 :
ι → ο
.
∀ x20 :
ι →
ι → ι
.
∀ x21 :
ι →
ι →
ι → ι
.
∀ x22 :
ι → ι
.
∀ x23 x24 .
∀ x25 :
ι →
ι → ο
.
∀ x26 x27 x28 .
∀ x29 :
ι →
ι → ι
.
∀ x30 :
ι →
ι →
ι → ι
.
∀ x31 :
ι → ι
.
∀ x32 .
∀ x33 x34 :
ι → ο
.
∀ x35 :
ι →
ι → ι
.
∀ x36 :
ι →
ι →
ι →
ι → ι
.
∀ x37 :
ι →
ι → ο
.
∀ x38 x39 .
∀ x40 :
ι → ι
.
∀ x41 :
ι → ο
.
∀ x42 :
ι → ι
.
∀ x43 :
ι →
ι → ο
.
∀ x44 :
ι → ι
.
∀ x45 :
ι → ο
.
∀ x46 :
ι →
ι → ι
.
∀ x47 :
ι →
ι →
ι →
ι → ι
.
∀ x48 :
ι →
ι → ι
.
∀ x49 :
ι →
ι →
ι → ο
.
∀ x50 :
ι →
ι → ο
.
∀ x51 :
ι →
ι → ι
.
∀ x52 :
ι →
ι → ο
.
∀ x53 :
ι → ι
.
∀ x54 :
ι →
ι → ο
.
∀ x55 :
ι → ο
.
(
∀ x56 x57 .
x55
x57
⟶
(
x57
=
x56
⟶
False
)
⟶
x55
x56
⟶
False
)
⟶
(
∀ x56 x57 .
(
x0
x56
(
x1
x56
x57
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x54
x56
x57
⟶
x55
x57
⟶
False
)
⟶
(
∀ x56 .
x55
x56
⟶
(
x56
=
x2
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x54
x56
x57
⟶
x52
x57
(
x53
x58
)
⟶
x55
x58
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x54
x57
x58
⟶
x52
x58
(
x53
x56
)
⟶
(
x52
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x0
x57
x56
⟶
(
x52
x57
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x52
x57
(
x53
x56
)
⟶
(
x0
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x54
x57
x58
⟶
x54
x56
x58
⟶
x54
x56
(
x51
x58
x57
)
⟶
False
)
⟶
(
∀ x56 x57 .
x54
x57
x56
⟶
(
x54
(
x51
x56
x57
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x52
x56
x57
⟶
(
x55
x57
⟶
False
)
⟶
(
x54
x56
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
(
x3
x58
⟶
False
)
⟶
x6
x58
⟶
x52
x57
(
x53
(
x4
x58
)
)
⟶
x52
x56
(
x53
(
x4
x58
)
)
⟶
x0
x57
x56
⟶
(
x0
(
x5
x58
x57
)
(
x5
x58
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x54
x57
x56
⟶
(
x52
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x1
x56
x2
=
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x50
x56
x57
⟶
(
x50
x57
x56
⟶
False
)
⟶
False
)
⟶
(
x55
x7
⟶
False
)
⟶
(
∀ x56 .
(
x0
x56
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x57
(
x53
x58
)
⟶
x52
x56
(
x53
x58
)
⟶
(
x8
x58
x57
x56
=
x1
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
(
x55
x59
⟶
False
)
⟶
x45
x56
⟶
x49
x56
x59
x58
⟶
x52
x56
(
x53
(
x48
x59
x58
)
)
⟶
x52
x57
x59
⟶
(
x47
x59
x58
x56
x57
=
x46
x56
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x9
x56
⟶
False
)
⟶
x9
(
x10
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x9
x56
⟶
False
)
⟶
(
x52
(
x10
x56
)
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
(
x9
(
x11
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
x55
(
x11
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
(
x52
(
x11
x56
)
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
(
x43
(
x44
x56
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
(
x52
(
x44
x56
)
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x3
x56
⟶
False
)
⟶
x41
x56
⟶
x55
(
x42
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x3
x56
⟶
False
)
⟶
x41
x56
⟶
(
x52
(
x42
x56
)
(
x53
(
x4
x56
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x43
(
x40
x56
)
x56
⟶
False
)
⟶
(
∀ x56 .
(
x52
(
x40
x56
)
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
x55
x39
⟶
False
)
⟶
(
∀ x56 .
(
x55
(
x12
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x52
(
x12
x56
)
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x13
x56
⟶
False
)
⟶
x41
x56
⟶
x9
(
x14
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x13
x56
⟶
False
)
⟶
x41
x56
⟶
(
x52
(
x14
x56
)
(
x53
(
x4
x56
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x3
x56
⟶
False
)
⟶
x41
x56
⟶
(
x9
(
x15
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x3
x56
⟶
False
)
⟶
x41
x56
⟶
x55
(
x15
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x3
x56
⟶
False
)
⟶
x41
x56
⟶
(
x52
(
x15
x56
)
(
x53
(
x4
x56
)
)
⟶
False
)
⟶
False
)
⟶
(
(
x55
x38
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
x55
(
x16
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x55
x56
⟶
False
)
⟶
(
x52
(
x16
x56
)
(
x53
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x17
(
x18
x56
x57
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x37
(
x18
x57
x56
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x19
(
x18
x56
x57
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x55
(
x18
x56
x57
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x52
(
x18
x56
x57
)
(
x53
(
x48
x57
x56
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x57
(
x53
x58
)
⟶
x52
x56
(
x53
x58
)
⟶
(
x8
x58
x57
x57
=
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x1
x56
x56
=
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
(
x3
x59
⟶
False
)
⟶
x6
x59
⟶
x52
x58
(
x53
(
x4
x59
)
)
⟶
x52
x56
(
x4
x59
)
⟶
x57
=
x56
⟶
(
x50
(
x36
x56
x58
x59
x57
)
x58
⟶
False
)
⟶
(
x54
x57
(
x35
x59
x58
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
(
x3
x59
⟶
False
)
⟶
x6
x59
⟶
x52
x58
(
x53
(
x4
x59
)
)
⟶
x52
x56
(
x4
x59
)
⟶
x57
=
x56
⟶
(
x54
(
x36
x56
x58
x59
x57
)
(
x20
x59
x56
)
⟶
False
)
⟶
(
x54
x57
(
x35
x59
x58
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
(
x3
x59
⟶
False
)
⟶
x6
x59
⟶
x52
x58
(
x53
(
x4
x59
)
)
⟶
x52
x56
(
x4
x59
)
⟶
x57
=
x56
⟶
(
x52
(
x36
x56
x58
x59
x57
)
(
x53
(
x4
x59
)
)
⟶
False
)
⟶
(
x54
x57
(
x35
x59
x58
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
(
x3
x59
⟶
False
)
⟶
x6
x59
⟶
x52
x58
(
x53
(
x4
x59
)
)
⟶
x54
x56
(
x35
x59
x58
)
⟶
x52
x57
(
x53
(
x4
x59
)
)
⟶
x54
x57
(
x20
x59
(
x21
x58
x59
x56
)
)
⟶
x50
x57
x58
⟶
False
)
⟶
(
∀ x56 x57 x58 .
(
x3
x58
⟶
False
)
⟶
x6
x58
⟶
x52
x57
(
x53
(
x4
x58
)
)
⟶
x54
x56
(
x35
x58
x57
)
⟶
(
x56
=
x21
x57
x58
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
(
x3
x58
⟶
False
)
⟶
x6
x58
⟶
x52
x57
(
x53
(
x4
x58
)
)
⟶
x54
x56
(
x35
x58
x57
)
⟶
(
x52
(
x21
x57
x58
x56
)
(
x4
x58
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x34
x56
⟶
False
)
⟶
x41
x56
⟶
x33
(
x4
x56
)
⟶
False
)
⟶
(
∀ x56 .
x34
x56
⟶
x41
x56
⟶
(
x33
(
x4
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x13
x56
⟶
x41
x56
⟶
(
x9
(
x4
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x13
x56
⟶
False
)
⟶
x41
x56
⟶
x9
(
x4
x56
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x55
x57
⟶
False
)
⟶
x55
(
x1
x56
x57
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x55
x57
⟶
False
)
⟶
x55
(
x1
x57
x56
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x19
x58
⟶
x17
x58
x56
⟶
x19
x57
⟶
x17
x57
x56
⟶
(
x17
(
x1
x58
x57
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
(
x3
x56
⟶
False
)
⟶
x41
x56
⟶
x55
(
x4
x56
)
⟶
False
)
⟶
(
(
x55
x2
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x55
(
x53
x56
)
⟶
False
)
⟶
(
∀ x56 .
x3
x56
⟶
x41
x56
⟶
(
x55
(
x4
x56
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x19
x58
⟶
x37
x58
x56
⟶
x19
x57
⟶
x37
x57
x56
⟶
(
x37
(
x1
x58
x57
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x55
x57
⟶
False
)
⟶
(
x55
x56
⟶
False
)
⟶
x55
(
x48
x57
x56
)
⟶
False
)
⟶
(
∀ x56 .
(
x52
(
x22
x56
)
x56
⟶
False
)
⟶
False
)
⟶
(
(
x41
x32
⟶
False
)
⟶
False
)
⟶
(
(
x6
x23
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x6
x56
⟶
(
x52
(
x31
x56
)
(
x53
(
x48
(
x4
x56
)
(
x53
(
x53
(
x4
x56
)
)
)
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x6
x56
⟶
(
x49
(
x31
x56
)
(
x4
x56
)
(
x53
(
x53
(
x4
x56
)
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x6
x56
⟶
(
x45
(
x31
x56
)
⟶
False
)
⟶
False
)
⟶
(
(
x55
x24
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x6
x56
⟶
(
x41
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x3
x57
⟶
False
)
⟶
x6
x57
⟶
x52
x56
(
x53
(
x4
x57
)
)
⟶
(
x52
(
x5
x57
x56
)
(
x53
(
x4
x57
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x3
x57
⟶
False
)
⟶
x6
x57
⟶
x52
x56
(
x4
x57
)
⟶
(
x52
(
x20
x57
x56
)
(
x53
(
x53
(
x4
x57
)
)
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x57
(
x53
x58
)
⟶
x52
x56
(
x53
x58
)
⟶
(
x52
(
x8
x58
x57
x56
)
(
x53
x58
)
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
(
x55
x59
⟶
False
)
⟶
x45
x56
⟶
x49
x56
x59
x58
⟶
x52
x56
(
x53
(
x48
x59
x58
)
)
⟶
x52
x57
x59
⟶
(
x52
(
x47
x59
x58
x56
x57
)
x58
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x3
x57
⟶
False
)
⟶
x6
x57
⟶
x52
x56
(
x4
x57
)
⟶
(
x20
x57
x56
=
x47
(
x4
x57
)
(
x53
(
x53
(
x4
x57
)
)
)
(
x31
x57
)
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
(
x54
(
x30
x56
x57
x58
)
x58
⟶
False
)
⟶
(
x54
(
x30
x56
x57
x58
)
x57
⟶
False
)
⟶
(
x54
(
x30
x56
x57
x58
)
x56
⟶
False
)
⟶
(
x56
=
x1
x58
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x54
(
x30
x56
x57
x58
)
x56
⟶
x54
(
x30
x56
x57
x58
)
x57
⟶
(
x56
=
x1
x58
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x54
(
x30
x56
x57
x58
)
x56
⟶
x54
(
x30
x56
x57
x58
)
x58
⟶
(
x56
=
x1
x58
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
x58
=
x1
x56
x57
⟶
x54
x59
x57
⟶
(
x54
x59
x58
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
x58
=
x1
x57
x56
⟶
x54
x59
x57
⟶
(
x54
x59
x58
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 x59 .
x59
=
x1
x57
x58
⟶
x54
x56
x59
⟶
(
x54
x56
x57
⟶
False
)
⟶
(
x54
x56
x58
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x54
(
x29
x56
x57
)
x56
⟶
(
x0
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x54
(
x29
x56
x57
)
x57
⟶
False
)
⟶
(
x0
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x0
x57
x58
⟶
x54
x56
x57
⟶
(
x54
x56
x58
⟶
False
)
⟶
False
)
⟶
(
(
x2
=
x24
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x3
x57
⟶
False
)
⟶
x6
x57
⟶
x52
x56
(
x53
(
x4
x57
)
)
⟶
(
x5
x57
x56
=
x35
x57
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x57
(
x53
x58
)
⟶
x52
x56
(
x53
x58
)
⟶
(
x8
x58
x57
x56
=
x8
x58
x56
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x1
x57
x56
=
x1
x56
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x25
x56
x2
⟶
(
x3
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x3
x56
⟶
(
x25
x56
x2
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
(
x34
x56
⟶
False
)
⟶
x13
x56
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x13
x56
⟶
(
x34
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x9
x57
⟶
x52
x56
(
x53
x57
)
⟶
(
x9
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
(
x34
x56
⟶
False
)
⟶
x34
x56
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
(
x34
x56
⟶
False
)
⟶
x3
x56
⟶
False
)
⟶
(
∀ x56 x57 .
x55
x57
⟶
x52
x56
(
x53
x57
)
⟶
x43
x56
x57
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x3
x56
⟶
(
x34
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x3
x56
⟶
(
x3
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x55
x58
⟶
x52
x56
(
x53
(
x48
x57
x58
)
)
⟶
(
x55
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x55
x57
⟶
False
)
⟶
x52
x56
(
x53
x57
)
⟶
x55
x56
⟶
(
x43
x56
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x55
x58
⟶
x52
x56
(
x53
(
x48
x58
x57
)
)
⟶
(
x55
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
(
x55
x57
⟶
False
)
⟶
x52
x56
(
x53
x57
)
⟶
(
x43
x56
x57
⟶
False
)
⟶
x55
x56
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
(
x13
x56
⟶
False
)
⟶
x3
x56
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x58
(
x53
(
x48
x56
x57
)
)
⟶
(
x17
x58
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x58
(
x53
(
x48
x57
x56
)
)
⟶
(
x37
x58
x57
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x55
x57
⟶
x52
x56
(
x53
x57
)
⟶
(
x55
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x3
x56
⟶
(
x13
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 x58 .
x52
x58
(
x53
(
x48
x56
x57
)
)
⟶
(
x19
x58
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
(
x13
x56
⟶
False
)
⟶
x3
x56
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x25
x56
x7
⟶
(
x13
x56
⟶
False
)
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
x25
x56
x7
⟶
x3
x56
⟶
False
)
⟶
(
∀ x56 .
x41
x56
⟶
(
x3
x56
⟶
False
)
⟶
x13
x56
⟶
(
x25
x56
x7
⟶
False
)
⟶
False
)
⟶
(
∀ x56 x57 .
x54
x56
x57
⟶
x54
x57
x56
⟶
False
)
⟶
(
x0
(
x8
(
x4
x28
)
(
x5
x28
x27
)
(
x5
x28
x26
)
)
(
x5
x28
(
x8
(
x4
x28
)
x27
x26
)
)
⟶
False
)
⟶
(
(
x52
x26
(
x53
(
x4
x28
)
)
⟶
False
)
⟶
False
)
⟶
(
(
x52
x27
(
x53
(
x4
x28
)
)
⟶
False
)
⟶
False
)
⟶
(
(
x6
x28
⟶
False
)
⟶
False
)
⟶
(
x3
x28
⟶
False
)
⟶
False
(proof)