OAI/Algebra/Finitistic/Ordinary/OrdinaryLeftTensorCongruence.lean
1 declarations, 0 contain sorry, 0 declared as axioms
- def
OAI.LittleFinitistic.LeftTensor.congrline 17Source documentation
Actual balanced tensor congruence retaining the outside left action.
def congr (f : M ≃ₗ[Aᵐᵒᵖ] M') (hf : ∀ (s : S) m, f (s • m) = s • f m) (g : N ≃ₗ[A] N') : LeftTensor k A S M N ≃ₗ[S] LeftTensor k A S M' N' where …Mentions: OAI.LittleFinitistic.LeftTensor