8 lines
223 B
Text
8 lines
223 B
Text
setoption pp::implicit true.
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setoption pp::colors false.
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variable N : Type.
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definition T (a : N) (f : _ -> _) (H : f a == a) : f (f _) == f _ :=
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substp (fun x : N, f (f a) == _) (refl (f (f _))) H.
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print environment 1.
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