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Theorems · Theorem · commutative algebra

Ideal.span_singleton_generator

∀ {R : Type u} [inst : Semiring R] (I : Ideal R) [inst_1 : Submodule.IsPrincipal I],
  Ideal.span {Submodule.IsPrincipal.generator I} = I
Defined in
Mathlib.RingTheory.PrincipalIdealDomain
Cited by
17 results in Mathlib
Foundations
Depth 20 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemiringSubmodule.IsPrincipal

Around this declaration

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

IsBezout.span_gcd · cited by 5IsBezout.span_gcdPolynomial.span_singleton_annIdealGenerator · cited by 4Polynomial.span_singleton…Ideal.relNorm_algebraMap · cited by 4Ideal.relNorm_algebraMapIdeal.torsionOf_eq_span_pow_pOrder · cited by 2Ideal.torsionOf_eq_span_p…Submodule.IsPrincipal.map_ringHom · cited by 2IsPrincipal.map_ringHomSubmodule.isInternal_prime_power_torsion_of_pid · cited by 1Submodule.isInternal_prim…Rat.HeightOneSpectrum.span_natGenerator · cited by 1HeightOneSpectrum.span_na…Submodule.IsPrincipal.contentIdeal_le_span_iff_dvd · cited by 1IsPrincipal.contentIdeal_…Ideal.height_le_one_of_isPrincipal_of_mem_minimalPrimes_of_isLocalRing · cited by 1Ideal.height_le_one_of_is…IsDiscreteValuationRing.ideal_eq_span_pow_irreducible · cited by 1IsDiscreteValuationRing.i…Submodule.IsPrincipal.isPrimitive_iff_contentIdeal_eq_top · cited by 1IsPrincipal.isPrimitive_i…Ideal.spanNorm_spanNorm · cited by 1Ideal.spanNorm_spanNormIsPrime.to_maximal_ideal · cited by 0IsPrime.to_maximal_idealIdeal.squarefree_span_singleton · cited by 0Ideal.squarefree_span_sin…Submodule.IsPrincipal.associated_generator_span_self · cited by 0IsPrincipal.associated_ge…Set · cited by 53352SetSemiring · cited by 13802SemiringIdeal · cited by 4748IdealIdeal.span · cited by 948Ideal.spanSubmodule.IsPrincipal · cited by 129Submodule.IsPrincipalSubmodule.IsPrincipal.generator · cited by 56IsPrincipal.generatorSubmodule.IsPrincipal.principal · cited by 10IsPrincipal.principalIdeal.span_singleton_generatorCITED BYCITES

Cites7

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

Cited by17

Results whose statement or proof uses this declaration.