15 lines
No EOL
406 B
Text
15 lines
No EOL
406 B
Text
(**
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simple_tac = REPEAT(ORELSE(conj_hyp_tac, conj_tac, assumption_tac))
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**)
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Theorem T2 (A B : Bool) : A /\ B => B /\ A :=
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Discharge (fun H : A /\ B,
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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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apply simple_tac. done.
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apply simple2_tac. done.
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apply simple_tac. done.
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Echo "echo command after failure" |