23 lines
452 B
Text
23 lines
452 B
Text
inductive nat : Type :=
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zero : nat,
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succ : nat → nat
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inductive list (A : Type) : Type :=
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nil {} : list A,
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cons : A → list A → list A
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inductive int : Type :=
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of_nat : nat → int,
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neg : nat → int
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coercion int.of_nat
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constants n m : nat
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constants i j : int
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namespace list end list open list
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check cons i (cons i nil)
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check cons n (cons n nil)
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check cons i (cons n nil)
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check cons n (cons i nil)
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check cons n (cons i (cons m (cons j nil)))
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