{R : Type u_1} →
  {M : Type u_2} →
    [inst : CommSemiring R] →
      [inst_1 : AddCommMonoid M] →
        [inst_2 : Module R M] →
          {R' : Type u_7} →
            [inst_3 : CommSemiring R'] →
              [inst_4 : Algebra R' R] →
                [inst_5 : Module R' M] →
                  [IsScalarTower R' R M] → (R →ₗ[R'] R') → LinearMap.BilinForm R M → LinearMap.BilinForm R' M