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Proofgold Asset
asset id
beb3a5e45d8859b825c0c82bbc1495db5a6d2eefe5a5880f51999b9a2a01270e
asset hash
25caa6beb8dd3b4ea8f419a872493c09a21f2ffb339d7a05c37cb2ea23b9b5aa
bday / block
33863
tx
e53c7..
preasset
doc published by
PrHS6..
Definition
or
or
:=
λ x0 x1 : ο .
∀ x2 : ο .
(
x0
⟶
x2
)
⟶
(
x1
⟶
x2
)
⟶
x2
Theorem
bcefe..
:
∀ x0 x1 : ο .
or
x0
x1
⟶
∀ x2 : ο .
(
x0
⟶
x2
)
⟶
(
x1
⟶
x2
)
⟶
x2
(proof)
Definition
False
False
:=
∀ x0 : ο .
x0
Definition
not
not
:=
λ x0 : ο .
x0
⟶
False
Param
ordinal
ordinal
:
ι
→
ο
Param
ordsucc
ordsucc
:
ι
→
ι
Known
neq_0_ordsucc
neq_0_ordsucc
:
∀ x0 .
0
=
ordsucc
x0
⟶
∀ x1 : ο .
x1
Definition
nIn
nIn
:=
λ x0 x1 .
not
(
x0
∈
x1
)
Known
EmptyE
EmptyE
:
∀ x0 .
nIn
x0
0
Known
ordinal_Empty
ordinal_Empty
:
ordinal
0
Known
ordinal_ordsucc
ordinal_ordsucc
:
∀ x0 .
ordinal
x0
⟶
ordinal
(
ordsucc
x0
)
Theorem
e6b6b..
:
not
(
∀ x0 x1 .
ordinal
x0
⟶
ordinal
(
ordsucc
x1
)
⟶
or
(
ordsucc
x1
∈
x0
)
(
x0
=
ordsucc
x1
)
)
(proof)