10 lines
257 B
Text
10 lines
257 B
Text
--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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