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lean2/tests/lean/extra/slow1.lean

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feat(kernel/default_converter): cache failures for (f t =?= f s) heuristic See item 4 at https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/oJXwW5wT2Ds/d1Dgr8B-pE0J See also https://github.com/leanprover/lean/pull/659
2015-06-08 17:41:30 +00:00
open nat
definition f (a : nat) : nat := a
definition g (a : nat) : nat := zero
example (a b : nat) :
@eq nat
(g (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f a))))))))))))))))))))))
(g (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f b))))))))))))))))))))))
:=
@eq.refl nat (g (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f (f a))))))))))))))))))))))
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