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Theorems · Theorem · linear algebra

LinearMap.ker_eq_bot_of_injective

∀ {R : Type u_1} {R₂ : Type u_2} {M : Type u_5} {M₂ : Type u_7} [inst : Semiring R] [inst_1 : Semiring R₂]
  [inst_2 : AddCommMonoid M] [inst_3 : AddCommMonoid M₂] [inst_4 : Module R M] [inst_5 : Module R₂ M₂] {τ₁₂ : R →+* R₂}
  {f : M →ₛₗ[τ₁₂] M₂}, Function.Injective ⇑f → f.ker = ⊥
Defined in
Mathlib.Algebra.Module.Submodule.Ker
Cited by
20 results in Mathlib
Foundations
Depth 28 from the axioms · uses propext, Quot.sound
Assumes
SemiringSemiringAddCommMonoidAddCommMonoidModuleModule

Around this declaration

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

Submodule.ker_subtype · cited by 25Submodule.ker_subtypeLinearEquiv.ker · cited by 16LinearEquiv.kerIsIntegralClosure.isNoetherian · cited by 3IsIntegralClosure.isNoeth…ContinuousLinearMap.isTopCompl_range_ker_of_leftInverse · cited by 3ContinuousLinearMap.isTop…Submodule.LinearDisjoint.linearIndependent_left_of_flat · cited by 2LinearDisjoint.linearInde…Module.eval_ker · cited by 2Module.eval_kerSubmodule.LinearDisjoint.linearIndependent_right_of_flat · cited by 2LinearDisjoint.linearInde…Submodule.range_ker_disjoint · cited by 2Submodule.range_ker_disjo…IntermediateField.linearDisjoint_of_isPurelyInseparable_of_isSeparable · cited by 2IntermediateField.linearD…LinearIndependent.map_pow_expChar_pow_of_isSeparable · cited by 1LinearIndependent.map_pow…LinearIndependent.map_pow_expChar_pow_of_isSeparable' · cited by 1LinearIndependent.map_pow…Profinite.NobelingProof.GoodProducts.linearIndependent_iff_smaller · cited by 1GoodProducts.linearIndepe…Algebra.PreSubmersivePresentation.isUnit_jacobian_of_cotangentRestrict_bijective · cited by 1PreSubmersivePresentation…Module.Basis.eval_ker · cited by 0Basis.eval_kerisAssociatedPrime_iff_exists_injective_linearMap · cited by 0isAssociatedPrime_iff_exi…DFunLike.coe · cited by 62936DFunLike.coeModule · cited by 20661ModuleSemiring · cited by 13802SemiringAddCommMonoid · cited by 12281AddCommMonoidLinearMap · cited by 10215LinearMapRingHom · cited by 10189RingHomSubmodule · cited by 7192SubmoduleBot.bot · cited by 4720Bot.botmap_zero · cited by 1614map_zeroLinearMap.ker · cited by 848LinearMap.kereq_bot_iff · cited by 159eq_bot_iffLinearMap.ker_eq_bot_of_injec…CITED BYCITES

Cites11

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Cited by20

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