consider f being non trivial V14() linear-Functional of V, g being non trivial V14() linear-Functional of W;
take
FormFunctional (f,g)
; ( not FormFunctional (f,g) is trivial & not FormFunctional (f,g) is constant & FormFunctional (f,g) is additiveFAF & FormFunctional (f,g) is homogeneousFAF & FormFunctional (f,g) is additiveSAF & FormFunctional (f,g) is homogeneousSAF )
thus
( not FormFunctional (f,g) is trivial & not FormFunctional (f,g) is constant & FormFunctional (f,g) is additiveFAF & FormFunctional (f,g) is homogeneousFAF & FormFunctional (f,g) is additiveSAF & FormFunctional (f,g) is homogeneousSAF )
; verum