∀ {R : Type u_1} [inst : CommSemiring R] {S : Type u_2} [inst_1 : CommSemiring S] [inst_2 : Algebra R S] (M : Type u_3)
  [inst_3 : AddCommMonoid M] [inst_4 : Module R M] {N : Type u_4} [inst_5 : AddCommMonoid N] [inst_6 : Module R N]
  {P : Type u_5} [inst_7 : AddCommMonoid P] [inst_8 : Module R P] [inst_9 : Module S P] [inst_10 : IsScalarTower R S P]
  [inst_11 : Module.Free R M] [inst_12 : Module.Finite R M] {ε : N →ₗ[R] P} (ibc : IsBaseChange S ε),
  IsBaseChange.linearMapRightBaseChangeEquiv M ibc =
    LinearEquiv.ofBijective (IsBaseChange.linearMapRightBaseChangeHom S M ε) ⋯