Theorems · Inductive type · commutative algebra
IsIntegralClosure
(A : Type u_1) →
(R : Type u_2) →
(B : Type u_3) →
[inst : CommRing R] → [inst_1 : CommSemiring A] → [inst_2 : CommRing B] → [Algebra R B] → [Algebra A B] → PropIsIntegralClosure A R B is the characteristic predicate stating A is
the integral closure of R in B,
i.e. that an element of B is integral over R iff it is an element of (the image of) A.
- Cited by
- 146 results in Mathlib
- Foundations
- Depth 6 from the axioms, rests on 22 definitions · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites3
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CommRingstatement · cited by 17,173
- Algebrastatement · cited by 11,388
- CommSemiringstatement · cited by 10,911
Cited by179
Results whose statement or proof uses this declaration.
- FractionalIdeal.dualstatement and proof · cited by 33
- IsIntegralClosure.algebraMap_injectivestatement and proof · cited by 24
- IsIntegrallyClosedInproof · cited by 23
- IsIntegralClosure.isIntegral_iffstatement and proof · cited by 19
- IsIntegralClosure.isLocalizationstatement and proof · cited by 13
- galRestrictstatement and proof · cited by 13
- IsIntegralClosure.mk'statement and proof · cited by 12
- IsIntegralClosure.equivstatement and proof · cited by 11
- IsIntegralClosure.algebraMap_mk'statement and proof · cited by 10
- IsIntegralClosure.isIntegral_algebrastatement and proof · cited by 10
- galLiftstatement and proof · cited by 10
- IsIntegralClosure.isFractionRing_of_finite_extensionstatement and proof · cited by 8