lean2/tests/lean/bad10.lean
Leonardo de Moura 8c956280d9 chore(frontends/lean): rename setoption and setopaque commands to set::option and set::opaque
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-06 11:41:03 -08:00

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set::option pp::implicit true.
set::option pp::colors false.
variable N : Type.
definition T (a : N) (f : _ -> _) (H : f a == a) : f (f _) == f _ :=
substp (fun x : N, f (f a) == _) (refl (f (f _))) H.
print environment 1.