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Theorems · Theorem · commutative algebra

Ideal.mk_ker

∀ {R : Type u} [inst : Ring R] {I : Ideal R} [inst_1 : I.IsTwoSided], RingHom.ker (Ideal.Quotient.mk I) = I
Defined in
Mathlib.RingTheory.Ideal.Quotient.Operations
Cited by
59 results in Mathlib
Foundations
Depth 84 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RingIdeal.IsTwoSided

Around this declaration

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

Ideal.Quotient.mkₐ_ker · cited by 5Quotient.mkₐ_kerIdeal.isPrime_map_quotientMk_of_isPrime · cited by 4Ideal.isPrime_map_quotien…Ideal.isRadical_iff_quotient_reduced · cited by 4Ideal.isRadical_iff_quoti…Ideal.bot_quotient_isMaximal_iff · cited by 3Ideal.bot_quotient_isMaxi…AdicCompletion.isMaximal_map_of_le · cited by 3AdicCompletion.isMaximal_…Ideal.mem_quotient_iff_mem_sup · cited by 3Ideal.mem_quotient_iff_me…IsLocalRing.exists_maximalIdeal_pow_le_of_isArtinianRing_quotient · cited by 2IsLocalRing.exists_maxima…Ideal.minimalPrimes_eq_comap · cited by 2Ideal.minimalPrimes_eq_co…MvPolynomial.eval₂_C_mk_eq_zero · cited by 2MvPolynomial.eval₂_C_mk_e…Ideal.exists_ideal_over_prime_of_isIntegral_of_isPrime · cited by 2Ideal.exists_ideal_over_p…Ideal.jacobson_eq_iff_jacobson_quotient_eq_bot · cited by 2Ideal.jacobson_eq_iff_jac…Algebra.weaklyQuasiFiniteAt_iff · cited by 2Algebra.weaklyQuasiFinite…Algebra.WeaklyQuasiFiniteAt.baseChange · cited by 2WeaklyQuasiFiniteAt.baseC…Ring.HasFiniteQuotients.finite_setOfPred_mem · cited by 2HasFiniteQuotients.finite…Polynomial.coeff_isUnit_isNilpotent_of_isUnit · cited by 2Polynomial.coeff_isUnit_i…RingHom · cited by 10189RingHomRing · cited by 7463RingIdeal · cited by 4748IdealHasQuotient.Quotient · cited by 2301HasQuotient.QuotientIdeal.Quotient.mk · cited by 610Quotient.mkRingHom.ker · cited by 363RingHom.kerIdeal.IsTwoSided · cited by 179Ideal.IsTwoSidedIdeal.ext · cited by 131Ideal.extIdeal.Quotient.eq_zero_iff_mem · cited by 74Quotient.eq_zero_iff_memSubmodule.mem_bot · cited by 55Submodule.mem_botIdeal.mem_comap · cited by 54Ideal.mem_comapIdeal.mk_kerCITED BYCITES

Cites11

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by59

Results whose statement or proof uses this declaration.