Theorems · Theorem · commutative algebra
invOf_pos
∀ {R : Type u_1} [inst : Semiring R] [inst_1 : LinearOrder R] [IsStrictOrderedRing R] {a : R} [inst_3 : Invertible a],
0 < ⅟a ↔ 0 < a- Defined in
- Mathlib.Algebra.Order.Invertible
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 26 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Semiringstatement and proof · cited by 13,802
- LinearOrderstatement and proof · cited by 8,572
- IsStrictOrderedRingstatement and proof · cited by 2,490
- LT.lt.leproof · cited by 2,189
- Invertiblestatement and proof · cited by 549
- Invertible.invOfstatement and proof · cited by 268
- mul_invOf_selfproof · cited by 28
- pos_of_mul_pos_leftproof · cited by 11
- pos_of_mul_pos_rightproof · cited by 6
Cited by3
Results whose statement or proof uses this declaration.
- midpoint_mem_openSegmentproof · cited by 3
- invOf_lt_oneproof · cited by 1
- pos_invOf_of_invertible_castproof · cited by 0