30 lines
No EOL
688 B
Text
30 lines
No EOL
688 B
Text
Variables p q r : Bool
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Theorem T1 : p => q => p /\ q :=
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Discharge (fun H1,
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Discharge (fun H2,
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let H1 : p := _,
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H2 : q := _
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in Conj H1 H2
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)).
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assumption (* solve first metavar *)
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done
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apply assumption_tac (* solve second metavar *)
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done
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(**
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simple_tac = REPEAT(imp_tac() ^ conj_tac() ^ assumption_tac())
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**)
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Theorem T2 : p => q => p /\ q /\ p := _.
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apply simple_tac
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done
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Show Environment 1
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Theorem T3 : p => p /\ q => r => q /\ r /\ p := _.
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apply (** REPEAT(ORELSE(imp_tac, conj_tac, conj_hyp_tac, assumption_tac)) **)
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done
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(* Display proof term generated by previous tac *)
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Show Environment 1 |