Theorems · Theorem · commutative algebra
Algebra.discr_eq_discr
∀ (A : Type u) {ι : Type w} [inst : DecidableEq ι] [inst_1 : CommRing A] [inst_2 : Fintype ι]
(b b' : Module.Basis ι ℤ A), Algebra.discr ℤ ⇑b = Algebra.discr ℤ ⇑b'Two (finite) ℤ-bases have the same discriminant.
- Defined in
- Mathlib.RingTheory.Discriminant
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 96 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEqCommRingFintype
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites21
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- CommRingstatement and proof · cited by 17,173
- Algebraproof · cited by 11,388
- Fintypestatement and proof · cited by 7,736
- Algebra.algebraMapproof · cited by 4,706
- Matrixproof · cited by 4,303
- one_mulproof · cited by 2,841
- IsUnitproof · cited by 1,602
- Module.Basisstatement and proof · cited by 1,477
- Matrix.detproof · cited by 665
- Matrix.mapproof · cited by 247
- Matrix.vecMulproof · cited by 148
Cited by1
Results whose statement or proof uses this declaration.
- NumberField.discr_eq_discrproof · cited by 3