OAI/Algebra/Finitistic/Ordinary/OrdinaryRetainedCongruence.lean

GitHub source file

2 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.LittleFinitistic.RetainedBimodule.congr line 16

    Source documentation

    An actual right-linear, left-equivariant equivalence retains both actions.

    def congr (f : M ≃ₗ[Aᵐᵒᵖ] N) (hf : ∀ (s : S) x, f (s • x) = s • f x) :
        RetainedBimodule k S A M ≃ₗ[S ⊗[k] Aᵐᵒᵖ] RetainedBimodule k S A N where
    …

    Mentions: OAI.LittleFinitistic.RetainedBimodule

  2. def OAI.LittleFinitistic.OrdinarySimulation.OffDiagonal.congr line 29