lean2/tests/lean/interactive/t10.lean
Leonardo de Moura f1b97b18b4 refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-26 15:54:53 -08:00

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(**
simple_tac = Repeat(OrElse(conj_hyp_tac(), conj_tac(), assumption_tac()))
**)
Theorem T2 (A B : Bool) : A /\ B => B /\ A :=
Discharge (fun H : A /\ B,
let H1 : A := _,
H2 : B := _,
main : B /\ A := _
in main).
simple_tac. done.
simple2_tac. done.
simple_tac. done.
Echo "echo command after failure"