8 lines
256 B
Text
8 lines
256 B
Text
Set: pp::colors
|
|
Set: pp::unicode
|
|
Set: lean::pp::implicit
|
|
Set: pp::colors
|
|
Assumed: N
|
|
Defined: T
|
|
Definition T (a : N) (f : N → N) (H : f a == a) : f (f a) == f (f a) :=
|
|
@SubstP N (f a) a (λ x : N, f (f a) == f (f a)) (@Refl N (f (f a))) H
|