lean2/tests/lean/interactive/t10.lean
Leonardo de Moura 4ba097a141 feat(frontends/lean): use lowercase commands, replace 'endscope' and 'endnamespace' with 'end'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-05 13:06:36 -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.
print "echo command after failure"