61901cff81
also add more definitions in types.pi, types.path, algebra.precategory the (pre)category library still needs cleanup authors of this commit: @avigad, @javra, @fpvandoorn
11 lines
262 B
Text
11 lines
262 B
Text
exit
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--javra: Maybe this should go somewhere else
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open eq
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inductive tdecidable [class] (A : Type) : Type :=
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inl : A → tdecidable A,
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inr : ¬A → tdecidable A
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structure decidable_paths [class] (A : Type) :=
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(elim : ∀(x y : A), tdecidable (x = y))
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