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Proofgold Asset
asset id
1c08083b3b908b2ad2f53b7021272c87e5b1073551cdcf7650d957be41c8f3b6
asset hash
f46e38ff511082c805da3b55f4fcf231a2984aadd6cedfd4919dd8ac2af9fc62
bday / block
35123
tx
5b90a..
preasset
doc published by
PrPhD..
Definition
False
False
:=
∀ x0 : ο .
x0
Definition
not
not
:=
λ x0 : ο .
x0
⟶
False
Theorem
8c737..
:
∀ x0 :
ι →
ι → ο
.
∀ x1 x2 x3 :
ι → ο
.
∀ x4 x5 x6 :
ι →
ι →
ι →
ι → ο
.
∀ x7 :
ι →
ι →
ι → ι
.
∀ x8 :
ι →
ι → ο
.
∀ x9 :
ι → ι
.
∀ x10 x11 :
ι → ο
.
∀ x12 :
ι →
ι →
ι →
ι →
ι →
ι → ι
.
∀ x13 :
ι →
ι →
ι →
ι → ο
.
∀ x14 x15 :
ι → ο
.
∀ x16 :
ι → ι
.
∀ x17 :
ι → ο
.
∀ x18 x19 x20 x21 .
∀ x22 :
ι → ι
.
∀ x23 :
ι → ο
.
∀ x24 .
∀ x25 x26 x27 :
ι →
ι →
ι →
ι → ι
.
∀ x28 x29 x30 x31 .
∀ x32 x33 :
ι →
ι →
ι → ι
.
∀ x34 :
ι →
ι →
ι →
ι → ι
.
∀ x35 :
ι →
ι →
ι →
ι →
ι → ο
.
∀ x36 :
ι →
ι →
ι →
ι → ι
.
∀ x37 .
∀ x38 :
ι → ο
.
∀ x39 x40 x41 .
∀ x42 :
ι → ο
.
∀ x43 .
∀ x44 :
ι → ο
.
∀ x45 .
∀ x46 :
ι → ο
.
∀ x47 .
∀ x48 :
ι → ο
.
∀ x49 :
ι →
ι → ι
.
∀ x50 .
∀ x51 :
ι → ο
.
(
∀ x52 x53 .
x51
x53
⟶
(
x53
=
x52
⟶
False
)
⟶
x51
x52
⟶
False
)
⟶
(
∀ x52 x53 .
x0
x52
x53
⟶
x51
x53
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
(
x52
=
x50
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x11
x55
⟶
x2
x55
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
(
x7
x55
x52
x54
=
x50
⟶
False
)
⟶
(
x7
x55
x54
x52
=
x50
⟶
False
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x4
x53
x55
x52
x54
⟶
x5
x53
x55
x52
x54
⟶
(
x6
x53
x55
x52
x54
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x11
x55
⟶
x2
x55
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
(
x7
x55
x52
x54
=
x50
⟶
False
)
⟶
(
x7
x55
x54
x52
=
x50
⟶
False
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x6
x53
x55
x52
x54
⟶
(
x5
x53
x55
x52
x54
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x11
x55
⟶
x2
x55
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
(
x7
x55
x52
x54
=
x50
⟶
False
)
⟶
(
x7
x55
x54
x52
=
x50
⟶
False
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x6
x53
x55
x52
x54
⟶
(
x4
x53
x55
x52
x54
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
x8
x52
x53
⟶
(
x51
x53
⟶
False
)
⟶
(
x0
x52
x53
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 x57 x58 x59 .
(
x1
x59
⟶
False
)
⟶
x11
x59
⟶
x2
x59
⟶
x3
x59
⟶
x8
x58
(
x9
x59
)
⟶
x8
x52
(
x9
x59
)
⟶
x8
x57
(
x9
x59
)
⟶
x8
x53
(
x9
x59
)
⟶
(
x7
x59
x58
x52
=
x50
⟶
False
)
⟶
(
x7
x59
x52
x57
=
x50
⟶
False
)
⟶
(
x7
x59
x57
x53
=
x50
⟶
False
)
⟶
x8
x54
(
x7
x59
x58
x52
)
⟶
x8
x56
(
x7
x59
x52
x57
)
⟶
x8
x55
(
x7
x59
x57
x53
)
⟶
(
x12
x59
x58
x57
x53
(
x12
x59
x58
x52
x57
x54
x56
)
x55
=
x12
x59
x58
x52
x53
x54
(
x12
x59
x52
x57
x53
x56
x55
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
(
x7
x55
x52
x54
=
x50
⟶
False
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
(
x12
x55
x52
x54
x54
x53
(
x49
x55
x54
)
=
x53
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
x0
x53
x52
⟶
(
x8
x53
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
(
x1
x53
⟶
False
)
⟶
x10
x53
⟶
x3
x53
⟶
x8
x52
(
x9
x53
)
⟶
(
x0
(
x49
x53
x52
)
(
x7
x53
x52
x52
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x11
x55
⟶
x2
x55
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
(
x7
x55
x52
x54
=
x50
⟶
False
)
⟶
(
x7
x55
x54
x52
=
x50
⟶
False
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x4
x53
x55
x52
x54
⟶
(
x13
x53
x55
x52
x54
⟶
False
)
⟶
False
)
⟶
(
(
x48
x47
⟶
False
)
⟶
False
)
⟶
(
x51
x47
⟶
False
)
⟶
(
x46
x45
⟶
False
)
⟶
(
(
x14
x45
⟶
False
)
⟶
False
)
⟶
(
(
x44
x45
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
(
x15
x52
⟶
False
)
⟶
x51
(
x16
x52
)
⟶
False
)
⟶
(
∀ x52 .
(
x15
x52
⟶
False
)
⟶
(
x8
(
x16
x52
)
x52
⟶
False
)
⟶
False
)
⟶
(
x17
x18
⟶
False
)
⟶
(
x51
x43
⟶
False
)
⟶
(
x15
x19
⟶
False
)
⟶
(
(
x42
x41
⟶
False
)
⟶
False
)
⟶
(
(
x14
x41
⟶
False
)
⟶
False
)
⟶
(
(
x44
x41
⟶
False
)
⟶
False
)
⟶
(
(
x17
x20
⟶
False
)
⟶
False
)
⟶
(
x51
x20
⟶
False
)
⟶
(
(
x51
x21
⟶
False
)
⟶
False
)
⟶
(
(
x14
x40
⟶
False
)
⟶
False
)
⟶
(
(
x44
x40
⟶
False
)
⟶
False
)
⟶
(
(
x51
x50
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
(
x8
(
x22
x52
)
x52
⟶
False
)
⟶
False
)
⟶
(
(
x3
x39
⟶
False
)
⟶
False
)
⟶
(
(
x23
x24
⟶
False
)
⟶
False
)
⟶
(
(
x38
x37
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x3
x52
⟶
(
x38
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x38
x52
⟶
(
x23
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
(
x1
x53
⟶
False
)
⟶
x10
x53
⟶
x3
x53
⟶
x8
x52
(
x9
x53
)
⟶
(
x8
(
x49
x53
x52
)
(
x7
x53
x52
x52
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 x57 .
(
x1
x57
⟶
False
)
⟶
x3
x57
⟶
x8
x56
(
x9
x57
)
⟶
x8
x52
(
x9
x57
)
⟶
x8
x55
(
x9
x57
)
⟶
x8
x53
(
x7
x57
x56
x52
)
⟶
x8
x54
(
x7
x57
x52
x55
)
⟶
(
x8
(
x12
x57
x56
x52
x55
x53
x54
)
(
x7
x57
x56
x55
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x3
x55
⟶
x8
x54
(
x9
x55
)
⟶
x8
x52
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x54
x52
)
⟶
x26
x53
x52
x54
x55
=
x25
x53
x52
x54
x55
⟶
(
x13
x53
x55
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x3
x55
⟶
x8
x54
(
x9
x55
)
⟶
x8
x52
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x54
x52
)
⟶
(
x12
x55
x54
x52
(
x36
x53
x52
x54
x55
)
x53
(
x26
x53
x52
x54
x55
)
=
x12
x55
x54
x52
(
x36
x53
x52
x54
x55
)
x53
(
x25
x53
x52
x54
x55
)
⟶
False
)
⟶
(
x13
x53
x55
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x3
x55
⟶
x8
x54
(
x9
x55
)
⟶
x8
x52
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x54
x52
)
⟶
(
x8
(
x25
x53
x52
x54
x55
)
(
x7
x55
x52
(
x36
x53
x52
x54
x55
)
)
⟶
False
)
⟶
(
x13
x53
x55
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x3
x55
⟶
x8
x54
(
x9
x55
)
⟶
x8
x52
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x54
x52
)
⟶
(
x8
(
x26
x53
x52
x54
x55
)
(
x7
x55
x52
(
x36
x53
x52
x54
x55
)
)
⟶
False
)
⟶
(
x13
x53
x55
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x3
x55
⟶
x8
x54
(
x9
x55
)
⟶
x8
x52
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x54
x52
)
⟶
x7
x55
x52
(
x36
x53
x52
x54
x55
)
=
x50
⟶
(
x13
x53
x55
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x3
x55
⟶
x8
x54
(
x9
x55
)
⟶
x8
x52
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x54
x52
)
⟶
(
x8
(
x36
x53
x52
x54
x55
)
(
x9
x55
)
⟶
False
)
⟶
(
x13
x53
x55
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 x57 x58 .
(
x1
x58
⟶
False
)
⟶
x3
x58
⟶
x8
x57
(
x9
x58
)
⟶
x8
x52
(
x9
x58
)
⟶
x8
x56
(
x7
x58
x57
x52
)
⟶
x13
x56
x58
x57
x52
⟶
x8
x55
(
x9
x58
)
⟶
(
x7
x58
x52
x55
=
x50
⟶
False
)
⟶
x8
x54
(
x7
x58
x52
x55
)
⟶
x8
x53
(
x7
x58
x52
x55
)
⟶
x12
x58
x57
x52
x55
x56
x54
=
x12
x58
x57
x52
x55
x56
x53
⟶
(
x54
=
x53
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 .
(
x1
x56
⟶
False
)
⟶
x10
x56
⟶
x3
x56
⟶
x8
x52
(
x9
x56
)
⟶
x8
x55
(
x9
x56
)
⟶
x8
x53
(
x7
x56
x52
x55
)
⟶
x8
x54
(
x7
x56
x55
x52
)
⟶
x35
x56
x55
x52
x54
x53
⟶
(
x5
x53
x56
x52
x55
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x5
x53
x55
x52
x54
⟶
(
x35
x55
x54
x52
(
x27
x53
x54
x52
x55
)
x53
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x5
x53
x55
x52
x54
⟶
(
x8
(
x27
x53
x54
x52
x55
)
(
x7
x55
x54
x52
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 .
(
x1
x56
⟶
False
)
⟶
x10
x56
⟶
x3
x56
⟶
x8
x52
(
x9
x56
)
⟶
x8
x55
(
x9
x56
)
⟶
x8
x53
(
x7
x56
x52
x55
)
⟶
x8
x54
(
x7
x56
x55
x52
)
⟶
x35
x56
x52
x55
x53
x54
⟶
(
x4
x53
x56
x52
x55
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x4
x53
x55
x52
x54
⟶
(
x35
x55
x52
x54
x53
(
x34
x53
x54
x52
x55
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 .
(
x1
x55
⟶
False
)
⟶
x10
x55
⟶
x3
x55
⟶
x8
x52
(
x9
x55
)
⟶
x8
x54
(
x9
x55
)
⟶
x8
x53
(
x7
x55
x52
x54
)
⟶
x4
x53
x55
x52
x54
⟶
(
x8
(
x34
x53
x54
x52
x55
)
(
x7
x55
x54
x52
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 .
(
x1
x56
⟶
False
)
⟶
x10
x56
⟶
x3
x56
⟶
x8
x52
(
x9
x56
)
⟶
x8
x55
(
x9
x56
)
⟶
x8
x53
(
x7
x56
x52
x55
)
⟶
x8
x54
(
x7
x56
x55
x52
)
⟶
x12
x56
x55
x52
x55
x54
x53
=
x49
x56
x55
⟶
(
x35
x56
x52
x55
x53
x54
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 .
(
x1
x56
⟶
False
)
⟶
x10
x56
⟶
x3
x56
⟶
x8
x52
(
x9
x56
)
⟶
x8
x55
(
x9
x56
)
⟶
x8
x53
(
x7
x56
x52
x55
)
⟶
x8
x54
(
x7
x56
x55
x52
)
⟶
x35
x56
x52
x55
x53
x54
⟶
(
x12
x56
x55
x52
x55
x54
x53
=
x49
x56
x55
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 .
(
x1
x54
⟶
False
)
⟶
x10
x54
⟶
x3
x54
⟶
x8
x52
(
x9
x54
)
⟶
x8
x53
(
x7
x54
x52
x52
)
⟶
x12
x54
x52
x52
(
x32
x53
x52
x54
)
x53
(
x33
x53
x52
x54
)
=
x33
x53
x52
x54
⟶
(
x53
=
x49
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 .
(
x1
x54
⟶
False
)
⟶
x10
x54
⟶
x3
x54
⟶
x8
x52
(
x9
x54
)
⟶
x8
x53
(
x7
x54
x52
x52
)
⟶
(
x8
(
x33
x53
x52
x54
)
(
x7
x54
x52
(
x32
x53
x52
x54
)
)
⟶
False
)
⟶
(
x53
=
x49
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 .
(
x1
x54
⟶
False
)
⟶
x10
x54
⟶
x3
x54
⟶
x8
x52
(
x9
x54
)
⟶
x8
x53
(
x7
x54
x52
x52
)
⟶
x7
x54
x52
(
x32
x53
x52
x54
)
=
x50
⟶
(
x53
=
x49
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 .
(
x1
x54
⟶
False
)
⟶
x10
x54
⟶
x3
x54
⟶
x8
x52
(
x9
x54
)
⟶
x8
x53
(
x7
x54
x52
x52
)
⟶
(
x8
(
x32
x53
x52
x54
)
(
x9
x54
)
⟶
False
)
⟶
(
x53
=
x49
x54
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 x55 x56 .
(
x1
x56
⟶
False
)
⟶
x10
x56
⟶
x3
x56
⟶
x8
x52
(
x9
x56
)
⟶
x8
x55
(
x7
x56
x52
x52
)
⟶
x55
=
x49
x56
x52
⟶
x8
x54
(
x9
x56
)
⟶
(
x7
x56
x52
x54
=
x50
⟶
False
)
⟶
x8
x53
(
x7
x56
x52
x54
)
⟶
(
x12
x56
x52
x52
x54
x55
x53
=
x53
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
x48
x53
⟶
x8
x52
x53
⟶
(
x14
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
x48
x53
⟶
x8
x52
x53
⟶
(
x44
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
(
x48
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x17
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x46
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x17
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x14
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x17
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x44
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x44
x52
⟶
x14
x52
⟶
(
x46
x52
⟶
False
)
⟶
(
x14
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x44
x52
⟶
x14
x52
⟶
(
x46
x52
⟶
False
)
⟶
(
x44
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x44
x52
⟶
x14
x52
⟶
(
x46
x52
⟶
False
)
⟶
x17
x52
⟶
False
)
⟶
(
∀ x52 .
(
x17
x52
⟶
False
)
⟶
x15
x52
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x46
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x14
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x44
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
(
x17
x52
⟶
False
)
⟶
x51
x52
⟶
False
)
⟶
(
∀ x52 .
(
x15
x52
⟶
False
)
⟶
x51
x52
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x42
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x14
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
x44
x52
⟶
x14
x52
⟶
(
x44
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
(
x17
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 .
x51
x52
⟶
(
x14
x52
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 .
x0
x52
x53
⟶
x0
x53
x52
⟶
False
)
⟶
(
x6
x31
x28
x29
x30
⟶
False
)
⟶
(
x7
x28
x30
x29
=
x50
⟶
False
)
⟶
(
x7
x28
x29
x30
=
x50
⟶
False
)
⟶
(
(
x8
x31
(
x7
x28
x29
x30
)
⟶
False
)
⟶
False
)
⟶
(
(
x8
x30
(
x9
x28
)
⟶
False
)
⟶
False
)
⟶
(
(
x8
x29
(
x9
x28
)
⟶
False
)
⟶
False
)
⟶
(
∀ x52 x53 x54 .
x8
x54
(
x9
x28
)
⟶
x8
x52
(
x9
x28
)
⟶
x8
x53
(
x7
x28
x54
x52
)
⟶
(
x4
x53
x28
x54
x52
⟶
False
)
⟶
False
)
⟶
(
(
x3
x28
⟶
False
)
⟶
False
)
⟶
(
(
x10
x28
⟶
False
)
⟶
False
)
⟶
(
(
x2
x28
⟶
False
)
⟶
False
)
⟶
(
(
x11
x28
⟶
False
)
⟶
False
)
⟶
(
x1
x28
⟶
False
)
⟶
False
(proof)