modular equivalence for submodule #
A predicate saying two elements of a module are equivalent modulo a submodule.
Equations
- One or more equations did not get rendered due to their size.
Instances For
theorem SModEq.def {R : Type u_1} [Ring R] {M : Type u_4} [AddCommGroup M] [Module R M] {U : Submodule R M} {x y : M} :
instance SModEq.instIsEquiv {R : Type u_1} [Ring R] {M : Type u_4} [AddCommGroup M] [Module R M] {U : Submodule R M} :
theorem SModEq.map {R : Type u_1} [Ring R] {M : Type u_4} [AddCommGroup M] [Module R M] {U : Submodule R M} {x y : M} {N : Type u_5} [AddCommGroup N] [Module R N] (hxy : x ≡ y [SMOD U]) (f : M →ₗ[R] N) :
theorem SModEq.comap {R : Type u_1} [Ring R] {M : Type u_4} [AddCommGroup M] [Module R M] {x y : M} {N : Type u_5} [AddCommGroup N] [Module R N] (V : Submodule R N) {f : M →ₗ[R] N} (hxy : f x ≡ f y [SMOD V]) :
theorem SModEq.eval {R : Type u_6} [CommRing R] {I : Ideal R} {x y : R} (h : x ≡ y [SMOD I]) (f : Polynomial R) :