Theorems · Theorem · combinatorics
DyckWord.pos_iff_ne_zero
∀ {p : DyckWord}, 0 < p ↔ p ≠ 0- Cited by
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- Foundations
- Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound
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- DyckWordstatement and proof · cited by 59
- ne_iff_lt_iff_leproof · cited by 6
- DyckWord.zero_leproof · cited by 1
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