lean2/tests/lean/bad3.lean
Leonardo de Moura 08718e33dc refactor(builtin): only load the kernel and natural numbers by default
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-30 13:35:37 -08:00

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Import int.
Variable list : Type -> Type
Variable nil {A : Type} : list A
Variable cons {A : Type} (head : A) (tail : list A) : list A
Variables a b : Int
Variables n m : Nat
Definition l1 : list Int := cons a (cons b (cons n nil))
Definition l2 : list Int := cons a (cons n (cons b nil))
Check cons a (cons b (cons n nil))