let X be set ; FixedUltraFilters X is_FreeGen_set_of InclPoset (Filt (BoolePoset X))
set FUF = FixedUltraFilters X;
set IP = InclPoset (Filt (BoolePoset X));
let L be non empty complete continuous Poset; WAYBEL22:def 1 for f being Function of FixedUltraFilters X,the carrier of L ex h being CLHomomorphism of InclPoset (Filt (BoolePoset X)),L st
( h | (FixedUltraFilters X) = f & ( for h' being CLHomomorphism of InclPoset (Filt (BoolePoset X)),L st h' | (FixedUltraFilters X) = f holds
h' = h ) )
let f be Function of FixedUltraFilters X,the carrier of L; ex h being CLHomomorphism of InclPoset (Filt (BoolePoset X)),L st
( h | (FixedUltraFilters X) = f & ( for h' being CLHomomorphism of InclPoset (Filt (BoolePoset X)),L st h' | (FixedUltraFilters X) = f holds
h' = h ) )
reconsider F = f -extension_to_hom as CLHomomorphism of InclPoset (Filt (BoolePoset X)),L by WAYBEL16:def 1;
take
F
; ( F | (FixedUltraFilters X) = f & ( for h' being CLHomomorphism of InclPoset (Filt (BoolePoset X)),L st h' | (FixedUltraFilters X) = f holds
h' = F ) )
thus
F | (FixedUltraFilters X) = f
by Th14; for h' being CLHomomorphism of InclPoset (Filt (BoolePoset X)),L st h' | (FixedUltraFilters X) = f holds
h' = F
let h' be CLHomomorphism of InclPoset (Filt (BoolePoset X)),L; ( h' | (FixedUltraFilters X) = f implies h' = F )
assume
h' | (FixedUltraFilters X) = f
; h' = F
hence
h' = F
by Th15; verum