Theorems · Theorem · commutative algebra

PowerBasis.liftEquiv_symm_apply

∀ {S : Type u_2} [inst : Ring S] {A : Type u_4} [inst_1 : CommRing A] [inst_2 : Algebra A S] {S' : Type u_7}
  [inst_3 : Ring S'] [inst_4 : Algebra A S'] (pb : PowerBasis A S)
  (y : { y // (Polynomial.aeval y) (minpoly A pb.gen) = 0 }), pb.liftEquiv.symm y = pb.lift ↑y ⋯

Defined in

Mathlib.RingTheory.PowerBasis

Cited by

1 results in Mathlib

Foundations

Depth 130 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

RingCommRingAlgebraRingAlgebra