Theorems · Theorem · commutative algebra
Ideal.map_map
∀ {R : Type u} {S : Type v} [inst : Semiring R] [inst_1 : Semiring S] {T : Type u_3} [inst_2 : Semiring T] {I : Ideal R}
(f : R →+* S) (g : S →+* T), Ideal.map g (Ideal.map f I) = Ideal.map (g.comp f) I- Defined in
- Mathlib.RingTheory.Ideal.Maps
- Cited by
- 37 results in Mathlib
- Foundations
- Depth 28 from the axioms · uses propext, 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
- RingHomstatement and proof · cited by 10,189
- Idealstatement and proof · cited by 4,748
- RingHom.compstatement and proof · cited by 899
- Ideal.mapstatement · cited by 692
- Ideal.comap_comapproof · cited by 27
- Ideal.gc_map_comapproof · cited by 17
- GaloisConnection.composeproof · cited by 6
- GaloisConnection.l_uniqueproof · cited by 5
Cited by37
Results whose statement or proof uses this declaration.
- Ideal.ramificationIdx_posproof · cited by 5
- AlgebraicGeometry.Scheme.IdealSheafData.map_idealproof · cited by 5
- Ideal.ramificationIdx_eq_one_iffproof · cited by 4
- Ideal.relNorm_algebraMapproof · cited by 4
- Ideal.ramificationIdx'_eq_one_of_map_localizationproof · cited by 3
- Ideal.ramificationIdx'_eq_ramificationIdx'proof · cited by 3
- Ideal.ramificationIdx_eq_oneproof · cited by 3
- Ideal.IsDedekindDomain.ramificationIdx'_eq_one_iffproof · cited by 3
- AdicCompletion.isMaximal_map_of_leproof · cited by 3
- PowerSeries.eq_span_insert_X_of_X_mem_of_span_eqproof · cited by 2
- Ideal.ramificationIdx'_algebra_towerproof · cited by 2
- Ideal.map_prodComm_prodproof · cited by 2