lean2/tests/lean/run/tactic3.lean
Leonardo de Moura 5eaf04518b refactor(*): rename Bool to Prop
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-22 09:43:18 -07:00

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import standard
using tactic
theorem tst {A B : Prop} (H1 : A) (H2 : B) : A
:= by [trace "first"; state; now |
trace "second"; state; fail |
trace "third"; assumption]
check tst