Theorems · Theorem · number theory

QuadraticForm.dualProdIsometry_invFun

∀ {R : Type u_1} {M : Type u_2} {N : Type u_3} [inst : CommSemiring R] [inst_1 : AddCommMonoid M]
  [inst_2 : AddCommMonoid N] [inst_3 : Module R M] [inst_4 : Module R N] (f : M ≃ₗ[R] N) (a : Module.Dual R N × N),
  (QuadraticForm.dualProdIsometry f).invFun a = (f.symm.dualMap.toAddEquiv.prodCongr f.toAddEquiv).symm a

Defined in

Mathlib.LinearAlgebra.QuadraticForm.Dual

Cited by

0 results in Mathlib

Foundations

Depth 44 from the axioms · uses propext, Quot.sound

Assumes

CommSemiringAddCommMonoidAddCommMonoidModuleModule