OAI/Algebra/Finitistic/Ordinary/OrdinaryOffDiagonalMaps.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.LittleFinitistic.OrdinarySimulation.OffDiagonal.map line 14

    Source documentation

    Actual component maps of the off-diagonal right product-ring module.

    def map (f : O →ₗ[Lᵐᵒᵖ] O') (g : T →ₗ[Rᵐᵒᵖ] T') :
        OffDiagonal O T →ₗ[(L × R)ᵐᵒᵖ] OffDiagonal O' T' where
    …

    Mentions: OAI.LittleFinitistic.OrdinarySimulation.OffDiagonal

  2. theorem OAI.LittleFinitistic.OrdinarySimulation.OffDiagonal.map_left line 22

    Source documentation

    The same map retains the two prescribed left product-ring actions.

    theorem map_left (f : O →ₗ[Lᵐᵒᵖ] O') (hf : ∀ (r : R) x, f (r • x) = r • f x)
        (g : T →ₗ[Rᵐᵒᵖ] T') (hg : ∀ (s : L) x, g (s • x) = s • g x)
        (d : L × R) (x : OffDiagonal O T) :
        map f g (d • x) = d • map f g x :=
    …

    Mentions: OAI.LittleFinitistic.OrdinarySimulation.OffDiagonal, OAI.LittleFinitistic.OrdinarySimulation.OffDiagonal.map