let X be non empty compact TopSpace; for F being Point of (R_Normed_Algebra_of_ContinuousFunctions X) holds (Mult_ ((ContinuousFunctions X),(RAlgebra the carrier of X))) . (1,F) = F
let F be Point of (R_Normed_Algebra_of_ContinuousFunctions X); (Mult_ ((ContinuousFunctions X),(RAlgebra the carrier of X))) . (1,F) = F
set X1 = ContinuousFunctions X;
reconsider f1 = F as Element of ContinuousFunctions X ;
A1:
[jj,f1] in [:REAL,(ContinuousFunctions X):]
;
thus (Mult_ ((ContinuousFunctions X),(RAlgebra the carrier of X))) . (1,F) =
( the Mult of (RAlgebra the carrier of X) | [:REAL,(ContinuousFunctions X):]) . (1,f1)
by C0SP1:def 11
.=
the Mult of (RAlgebra the carrier of X) . (1,f1)
by A1, FUNCT_1:49
.=
F
by FUNCSDOM:12
; verum