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qnighy/gist:10567940

Created April 13, 2014 03:31
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gistfile1.coq
Theorem Disjunctive_syllogism : forall P Q : Prop, (P \/ Q) -> ~P -> Q.
intros.
destruct H.
- destruct H0.
apply H.
- apply H.
Qed.
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