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Robbert Krebbers authored
Example: Goal ¬False → ¬False → ¬False → ¬False → ¬False → ¬False → ¬False → False. Proof. intros. done. (* takes very long *)
4c6881ab
Example: Goal ¬False → ¬False → ¬False → ¬False → ¬False → ¬False → ¬False → False. Proof. intros. done. (* takes very long *)