21 lines
356 B
Text
21 lines
356 B
Text
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import logic
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inductive Pair1 (A B : Type) :=
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mk () : A → B → Pair1 A B
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check Pair1.mk
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check Pair1.mk Prop Prop true false
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inductive Pair2 {A : Type} (B : A → Type) :=
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mk () : Π (a : A), B a → Pair2 B
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check @Pair2.mk
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check Pair2.mk (λx, Prop) true false
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inductive Pair3 (A B : Type) :=
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mk : A → B → Pair3 A B
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check Pair3.mk true false
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