(R : Type u_2) →
  (E : Type u_3) →
    {F : Type u_4} →
      [inst : Semiring R] →
        [inst_1 : AddCommMonoid E] →
          [inst_2 : AddCommMonoid F] →
            [inst_3 : Module R E] →
              [inst_4 : Module R F] →
                [inst_5 : FourierTransformInv E F] →
                  [FourierInvAdd E F] →
                    [FourierInvSMul R E F] →
                      [inst_8 : TopologicalSpace E] →
                        [inst_9 : TopologicalSpace F] → [ContinuousFourierInv E F] → E →L[R] F