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Theorems · Theorem · group theory

Submonoid.le_comap_map

∀ {M : Type u_1} {N : Type u_2} [inst : MulOneClass M] [inst_1 : MulOneClass N] (S : Submonoid M) {F : Type u_4}
  [inst_2 : FunLike F M N] [mc : MonoidHomClass F M N] {f : F}, S ≤ Submonoid.comap f (Submonoid.map f S)
Defined in
Mathlib.Algebra.Group.Submonoid.Operations
Cited by
24 results in Mathlib
Foundations
Depth 26 from the axioms · uses propext, Quot.sound
Assumes
MulOneClassMulOneClassFunLikeMonoidHomClass

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Module.Finite.of_isLocalization · cited by 10Finite.of_isLocalizationIsLocalization.map_injective_of_injective · cited by 6IsLocalization.map_inject…Algebra.algebraMapSubmonoid_le_comap · cited by 5Algebra.algebraMapSubmono…isIntegral_localization · cited by 4isIntegral_localizationIsLocalization.algebraMap_eq_map_map_submonoid · cited by 3IsLocalization.algebraMap…RingHom.isIntegralElem_localization_at_leadingCoeff · cited by 2RingHom.isIntegralElem_lo…IsLocalization.ker_map · cited by 2IsLocalization.ker_mapIsLocalization.map_surjective_of_surjective · cited by 2IsLocalization.map_surjec…FractionalIdeal.le_one_of_extendedHom_le_one · cited by 2FractionalIdeal.le_one_of…localizationAlgebraMap_def · cited by 1localizationAlgebraMap_defRingHom.toKerIsLocalization_isLocalizedModule · cited by 1RingHom.toKerIsLocalizati…IsLocalization.algebraMap_apply_eq_map_map_submonoid · cited by 1IsLocalization.algebraMap…is_integral_localization_at_leadingCoeff · cited by 1is_integral_localization_…RingHom.HoldsForLocalization.isLocalizationMap · cited by 1HoldsForLocalization.isLo…RingHom.IsStableUnderBaseChange.isLocalization_map · cited by 1IsStableUnderBaseChange.i…Submonoid · cited by 3086SubmonoidFunLike · cited by 2560FunLikeMulOneClass · cited by 1018MulOneClassMonoidHomClass · cited by 244MonoidHomClassSubmonoid.map · cited by 190Submonoid.mapSubmonoid.comap · cited by 179Submonoid.comapGaloisConnection.le_u_l · cited by 52GaloisConnection.le_u_lSubmonoid.gc_map_comap · cited by 16Submonoid.gc_map_comapSubmonoid.le_comap_mapCITED BYCITES

Cites8

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Cited by24

Results whose statement or proof uses this declaration.