31 lines
738 B
Text
31 lines
738 B
Text
(* import("tactic.lua") *)
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theorem T1 (A B : Bool) : A /\ B => B /\ A :=
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discharge (fun H : A /\ B,
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let main : B /\ A :=
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(let H1 : B := _,
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H2 : A := _
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in _)
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in main).
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conj_hyp.
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exact.
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done.
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conj_hyp.
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exact.
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done.
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apply and::intro.
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exact.
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done.
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(*
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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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simple_tac. done.
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simple_tac. done.
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simple_tac. done.
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