Theorems · Theorem · commutative algebra

Submodule.traceDual_top

∀ {A : Type u_1} {K : Type u_2} {L : Type u} {B : Type u_3} [inst : CommRing A] [inst_1 : Field K] [inst_2 : CommRing B]
  [inst_3 : Field L] [inst_4 : Algebra A K] [inst_5 : Algebra B L] [inst_6 : Algebra A B] [inst_7 : Algebra K L]
  [inst_8 : Algebra A L] [inst_9 : IsScalarTower A K L] [inst_10 : IsScalarTower A B L] [IsDomain A]
  [IsFractionRing A K] [FiniteDimensional K L] [Algebra.IsSeparable K L] [inst_15 : Decidable (IsField A)],
  Submodule.traceDual A K ⊤ = if IsField A then ⊤ else ⊥

Defined in

Mathlib.RingTheory.DedekindDomain.Different

Cited by

0 results in Mathlib

Foundations

Depth 200 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommRingFieldCommRingFieldAlgebraAlgebraAlgebraAlgebraAlgebraIsScalarTowerIsScalarTowerIsDomainIsFractionRingFiniteDimensionalAlgebra.IsSeparableDecidable