Theorems · Theorem · commutative algebra
Ideal.comap_map_of_bijective
∀ {R : Type u} {S : Type v} {F : Type u_1} [inst : Semiring R] [inst_1 : Semiring S] [inst_2 : FunLike F R S] (f : F)
[inst_3 : RingHomClass F R S], Function.Bijective ⇑f → ∀ {I : Ideal R}, Ideal.comap f (Ideal.map f I) = I- Defined in
- Mathlib.RingTheory.Ideal.Maps
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 32 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites11
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
- Semiringstatement and proof · cited by 13,802
- Idealstatement and proof · cited by 4,748
- FunLikestatement and proof · cited by 2,560
- le_antisymmproof · cited by 2,068
- Function.Bijectivestatement and proof · cited by 863
- Ideal.mapstatement · cited by 692
- Ideal.comapstatement · cited by 443
- RingHomClassstatement and proof · cited by 193
- Ideal.le_comap_mapproof · cited by 17
- Ideal.comap_le_iff_le_mapproof · cited by 2
Cited by3
Results whose statement or proof uses this declaration.
- Ideal.ramificationIdx_smulproof · cited by 2
- IsLocalization.AtPrime.ramificationIdx_map_eq_ramificationIdxproof · cited by 1
- Ideal.exists_comap_galRestrict_eqproof · cited by 0