∀ (ι : Type u_1) {R : Type u_3} {M : Type u_2} [inst : Semiring R] [inst_1 : AddCommMonoid M] [inst_2 : Module R M]
  (x x_1 : Module.End (Module.End R M) M),
  { toFun := ⇑(Finsupp.mapRange.addMonoidHom ↑(x + x_1)), map_add' := ⋯, map_smul' := ⋯ } =
    { toFun := ⇑(Finsupp.mapRange.addMonoidHom ↑x), map_add' := ⋯, map_smul' := ⋯ } +
      { toFun := ⇑(Finsupp.mapRange.addMonoidHom ↑x_1), map_add' := ⋯, map_smul' := ⋯ }