let f be Form of V,V; ( f is hermitan & f is cmplxhomogeneousFAF implies f is homogeneousSAF )
assume A1:
( f is hermitan & f is cmplxhomogeneousFAF )
; f is homogeneousSAF
let w be Vector of V; BILINEAR:def 15 FunctionalSAF f,w is homogeneous
set F = FunctionalSAF f,w;
set F2 = FunctionalFAF f,w;
A2:
FunctionalFAF f,w is cmplxhomogeneous
by A1, Def4;
now let x be
Vector of
V;
for r being Scalar of holds (FunctionalSAF f,w) . (r * x) = r * ((FunctionalSAF f,w) . x)let r be
Scalar of ;
(FunctionalSAF f,w) . (r * x) = r * ((FunctionalSAF f,w) . x)thus (FunctionalSAF f,w) . (r * x) =
f . (r * x),
w
by BILINEAR:10
.=
(f . w,(r * x)) *'
by A1, Def5
.=
((FunctionalFAF f,w) . (r * x)) *'
by BILINEAR:9
.=
((r *' ) * ((FunctionalFAF f,w) . x)) *'
by A2, Def1
.=
((r *' ) *' ) * (((FunctionalFAF f,w) . x) *' )
by COMPLFLD:90
.=
r * ((f . w,x) *' )
by BILINEAR:9
.=
r * (f . x,w)
by A1, Def5
.=
r * ((FunctionalSAF f,w) . x)
by BILINEAR:10
;
verum end;
hence
FunctionalSAF f,w is homogeneous
by HAHNBAN1:def 12; verum