Top Answers

1. How can I prove `add_le_cases` (`forall n m p q, n + m <= p + q -> n <= p \/ m <= q`)
   3 votes
2. How to try a tactic in Ltac, but continue if it fails
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3. How to write a 'safe' head in coq?
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4. Why can't Coq infer my coercion when applying arguments to coercible term?
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