lean2/tests/lean/run/tactic5.lean
Leonardo de Moura 360e9b9486 feat(library/tactic): add apply tactic
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-29 18:33:53 -07:00

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import logic
definition id {A : Type} (a : A) := a
theorem tst {A B : Bool} (H1 : A) (H2 : B) : id A
:= by [!(unfold id, print), exact]