Theorems · Theorem · number theory
Rat.cast_pos
∀ {q : ℚ} {K : Type u_5} [inst : Field K] [inst_1 : LinearOrder K] [IsStrictOrderedRing K], 0 < ↑q ↔ 0 < q- Defined in
- Mathlib.Data.Rat.Cast.Order
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 82 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- LinearOrderstatement and proof · cited by 8,572
- Fieldstatement and proof · cited by 7,404
- IsStrictOrderedRingstatement and proof · cited by 2,490
- Nat.cast_zeroproof · cited by 1,870
- Rat.cast_zeroproof · cited by 29
Cited by4
Results whose statement or proof uses this declaration.
- Real.isCauSeq_iff_liftproof · cited by 1
- Metric.uniformity_basis_dist_ratproof · cited by 1
- Mathlib.Meta.Positivity.log_nz_of_isNNRatproof · cited by 0