14 lines
No EOL
252 B
Text
14 lines
No EOL
252 B
Text
(* import("tactic.lua") *)
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theorem T (a b : Bool) : ((fun x, x /\ b) a) => ((fun x, x) a).
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beta.
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apply discharge.
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conj_hyp.
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exact.
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done.
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variables p q : Bool.
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theorem T2 : p /\ q => q.
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apply discharge.
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conj_hyp.
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exact.
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done. |