9 lines
No EOL
191 B
Text
9 lines
No EOL
191 B
Text
(** import("tactic.lua") **)
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Theorem T (a b : Bool) : a \/ b => (not b) => a := _.
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apply Discharge
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apply Discharge
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disj_hyp
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exact
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absurd
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done
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Show Environment 1. |