∀ {R : Type u_1} {M : Type u_2} [inst : CommSemiring R] [inst_1 : AddCommMonoid M] [inst_2 : Module R M] {N₁ : Type u_9}
  {N₂ : Type u_10} [inst_3 : AddCommMonoid N₁] [inst_4 : AddCommMonoid N₂] [inst_5 : Module R N₁] [inst_6 : Module R N₂]
  (e : N₁ ≃ₗ[R] N₂), e.congrRight₂.symm = e.symm.congrRight₂