lean2/tests/lean/bad9.lean
Leonardo de Moura 935c2a03a3 feat(*): change name conventions for Lean builtin libraries
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-05 19:21:44 -08:00

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setoption pp::implicit true.
setoption pp::colors false.
variable N : Type.
check
fun (a : N) (f : N -> N) (H : f a == a),
let calc1 : f a == a := substp (fun x : N, f a == _) (refl (f a)) H
in calc1.