Theorems · Theorem · commutative algebra
IsDedekindDomain.primesOver_ncard_ne_zero
∀ {A : Type u_4} [inst : CommRing A] (p : Ideal A) [hpm : p.IsMaximal] (B : Type u_5) [inst_1 : CommRing B]
[IsDedekindDomain B] [inst_3 : Algebra A B] [IsDomain A] [Module.IsTorsionFree A B] [Algebra.IsIntegral A B],
(p.primesOver B).ncard ≠ 0- Cited by
- 4 results in Mathlib
- Foundations
- Depth 153 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites15
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CommRingstatement and proof · cited by 17,173
- Algebrastatement and proof · cited by 11,388
- Idealstatement and proof · cited by 4,748
- IsDomainstatement and proof · cited by 2,196
- IsDedekindDomainstatement and proof · cited by 668
- Module.IsTorsionFreestatement and proof · cited by 600
- Ideal.IsMaximalstatement and proof · cited by 452
- Set.ncardstatement · cited by 344
- Ideal.LiesOverproof · cited by 272
- Algebra.IsIntegralstatement and proof · cited by 224
- Ideal.primesOverstatement · cited by 84
- Ideal.IsMaximal.isPrimeproof · cited by 53
Cited by4
Results whose statement or proof uses this declaration.
- IsDedekindDomain.one_le_primesOver_ncardproof · cited by 1
- Ideal.relNorm_eq_pow_of_isPrime_isGaloisproof · cited by 1
- primesOver_ncard_ne_zeroproof · cited by 0
- IsInertiaField.rank_decompositionFieldproof · cited by 0