lean2/tests/lean/tactic4.lean
Leonardo de Moura 9f08156a73 feat(frontends/lean/parser): combine Echo and Show commands into the 'print' command
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-05 11:03:35 -08:00

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(*
simple_tac = Repeat(OrElse(imp_tac(), conj_tac())) .. assumption_tac()
*)
Theorem T4 (a b : Bool) : a => b => a /\ b := _.
simple_tac
done
print Environment 1.