pi/tests/id1.pi
2022-07-26 23:07:13 +02:00

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let transport : Π (A : Type) Π (f : A → Type) Π (x : A) Π (y : A)
Id A x y → f x → f y
≔ λA.λf.λx.λy. J A x y (λa.λb.λ_. f a → f b) (λa.a)