Theorems · Theorem · commutative algebra
Ideal.mulQuot_injective
∀ {R : Type u_1} [inst : CommRing R] {a : R} (I : Ideal R),
a ∈ nonZeroDivisors R → Function.Injective ⇑(Ideal.mulQuot a I)The map R ⧸ I →ₗ[R] R ⧸ (a • I) defined by multiplication by a is injective if a is
a nonzero divisor.
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 90 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CommRing
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites25
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- RingHom.idstatement · cited by 18,349
- CommRingstatement and proof · cited by 17,173
- LinearMapstatement · cited by 10,215
- Submoduleproof · cited by 7,192
- Idealstatement and proof · cited by 4,748
- Bot.botproof · cited by 4,720
- Submonoidstatement · cited by 3,086
- HasQuotient.Quotientstatement and proof · cited by 2,301
- le_antisymmproof · cited by 2,068
- LinearMap.compproof · cited by 1,642
- nonZeroDivisorsstatement and proof · cited by 895
Cited by1
Results whose statement or proof uses this declaration.
- Ring.ord_mulproof · cited by 3