Theorems · Theorem · number theory
Rat.inv_natCast_den
∀ (a : ℕ), (↑a)⁻¹.den = if a = 0 then 1 else a
- Defined in
- Mathlib.Data.Rat.Lemmas
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 66 from the axioms · uses propext, Classical.choice, Quot.sound
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Nothing in Mathlib beyond the foundations.
Cited by1
Results whose statement or proof uses this declaration.
- Rat.cast_inv_natproof · cited by 1