Theorems · Theorem · number theory
NNRat.den_mul_den_eq_den_mul_gcd
∀ (q₁ q₂ : ℚ≥0), q₁.den * q₂.den = (q₁ * q₂).den * (q₁.num * q₂.num).gcd (q₁.den * q₂.den)
A version of NNRat.mul_den without division.
- Defined in
- Mathlib.Data.NNRat.Lemmas
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 90 from the axioms · uses propext, Classical.choice, Quot.sound
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Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- NNRatstatement and proof · cited by 523
- NNRat.castproof · cited by 235
- NNRat.numstatement and proof · cited by 53
- NNRat.denstatement and proof · cited by 51
- NNRat.num_coeproof · cited by 14
- Rat.den_mul_den_eq_den_mul_gcdproof · cited by 1
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