2014-01-05 18:32:47 +00:00
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(*
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2013-12-26 23:54:53 +00:00
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simple_tac = Repeat(OrElse(conj_hyp_tac(), conj_tac(), assumption_tac()))
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2014-01-05 18:32:47 +00:00
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*)
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2013-12-06 13:13:29 +00:00
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2014-01-05 20:05:08 +00:00
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theorem T2 (A B : Bool) : A /\ B => B /\ A :=
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2014-01-06 03:10:21 +00:00
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discharge (fun H : A /\ B,
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2013-12-06 13:13:29 +00:00
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let H1 : A := _,
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H2 : B := _,
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main : B /\ A := _
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in main).
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2013-12-26 23:54:53 +00:00
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simple_tac. done.
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simple2_tac. done.
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simple_tac. done.
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2013-12-06 13:13:29 +00:00
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2014-01-05 19:03:35 +00:00
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print "echo command after failure"
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