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Theorems · Theorem · commutative algebra

Ideal.dvd_iff_le

∀ {A : Type u_2} [inst : CommRing A] [IsDedekindDomain A] {I J : Ideal A}, I ∣ J ↔ J ≤ I

For ideals in a Dedekind domain, to divide is to contain.

Defined in
Mathlib.RingTheory.DedekindDomain.Ideal.Basic
Cited by
33 results in Mathlib
Foundations
Depth 144 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingIsDedekindDomain

Around this declaration

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

Ideal.span_singleton_dvd_span_singleton_iff_dvd · cited by 6Ideal.span_singleton_dvd_…Ideal.dvd_span_singleton · cited by 5Ideal.dvd_span_singletonIdeal.absNorm_dvd_absNorm_of_le · cited by 5Ideal.absNorm_dvd_absNorm…Ideal.IsDedekindDomain.ramificationIdx'_eq_normalizedFactors_count · cited by 5IsDedekindDomain.ramifica…RingOfIntegers.not_dvd_exponent_iff · cited by 4RingOfIntegers.not_dvd_ex…Ideal.count_associates_factors_eq · cited by 4Ideal.count_associates_fa…IsDedekindDomain.idealFactorsEquivOfQuotEquiv_is_dvd_iso · cited by 3IsDedekindDomain.idealFac…Ideal.mul_iInf · cited by 3Ideal.mul_iInfIdeal.sup_eq_prod_inf_factors · cited by 3Ideal.sup_eq_prod_inf_fac…Ideal.mem_normalizedFactors_iff · cited by 3Ideal.mem_normalizedFacto…Ideal.IsDedekindDomain.ramificationIdx'_eq_one_iff · cited by 3IsDedekindDomain.ramifica…Ideal.count_le_of_ideal_ge · cited by 3Ideal.count_le_of_ideal_geIdeal.count_normalizedFactors_eq · cited by 3Ideal.count_normalizedFac…Ideal.IsDedekindDomain.ramificationIdx'_ne_zero · cited by 3IsDedekindDomain.ramifica…Ideal.dvdNotUnit_iff_lt · cited by 3Ideal.dvdNotUnit_iff_ltCommRing · cited by 17173CommRingIdeal · cited by 4748IdealBot.bot · cited by 4720Bot.botone_mul · cited by 2841one_mulle_refl · cited by 2061le_reflmul_assoc · cited by 1667mul_assocnonZeroDivisors · cited by 895nonZeroDivisorsIsDedekindDomain · cited by 668IsDedekindDomainFractionalIdeal · cited by 423FractionalIdealmul_le_mul' · cited by 274mul_le_mul'inv_mul_cancel₀ · cited by 267inv_mul_cancel₀mul_inv_cancel₀ · cited by 210mul_inv_cancel₀FractionRing · cited by 200FractionRingeq_bot_iff · cited by 159eq_bot_iffFractionalIdeal.coeIdeal · cited by 109FractionalIdeal.coeIdealIdeal.dvd_iff_leCITED BYCITES

Cites21

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

Cited by33

Results whose statement or proof uses this declaration.