lean2/tests/lean/run/tactic9.lean
Leonardo de Moura 37b5b7c4c2 feat(library/tactic): rename 'exact' to 'assumption', 'exact' is a different tactic
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:10:42 -07:00

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import standard
using tactic
theorem tst {A B : Bool} (H1 : A) (H2 : B) : ((fun x : Bool, x) A) ∧ B ∧ A
:= by apply and_intro; beta; assumption; apply and_intro; !assumption