Theorems · Theorem · commutative algebra

LinearEquiv.toLinearMap_symm_comp_eq

∀ {R₁ : Type u_2} {R₂ : Type u_3} {R₃ : Type u_4} {M₁ : Type u_8} {M₂ : Type u_9} {M₃ : Type u_10} [inst : Semiring R₁]
  [inst_1 : Semiring R₂] [inst_2 : Semiring R₃] [inst_3 : AddCommMonoid M₁] [inst_4 : AddCommMonoid M₂]
  [inst_5 : AddCommMonoid M₃] {module_M₁ : Module R₁ M₁} {module_M₂ : Module R₂ M₂} {module_M₃ : Module R₃ M₃}
  {σ₁₂ : R₁ →+* R₂} {σ₂₁ : R₂ →+* R₁} {σ₃₁ : R₃ →+* R₁} {σ₃₂ : R₃ →+* R₂} {re₁₂ : RingHomInvPair σ₁₂ σ₂₁}
  {re₂₁ : RingHomInvPair σ₂₁ σ₁₂} [inst_6 : RingHomCompTriple σ₃₂ σ₂₁ σ₃₁] {e₁₂ : M₁ ≃ₛₗ[σ₁₂] M₂}
  [inst_7 : RingHomCompTriple σ₃₁ σ₁₂ σ₃₂] (f : M₃ →ₛₗ[σ₃₁] M₁) (g : M₃ →ₛₗ[σ₃₂] M₂),
  ↑e₁₂.symm ∘ₛₗ g = f ↔ g = ↑e₁₂ ∘ₛₗ f

Defined in

Mathlib.Algebra.Module.Equiv.Defs

Cited by

6 results in Mathlib

Foundations

Depth 29 from the axioms · uses propext, Quot.sound

Assumes

SemiringSemiringSemiringAddCommMonoidAddCommMonoidAddCommMonoidRingHomCompTripleRingHomCompTriple