let P, Q be non empty strict chain-complete Poset; for F being non empty Chain of (ConPoset P,Q)
for x being set st x in F holds
ex g being continuous Function of P,Q st x = g
let F be non empty Chain of (ConPoset P,Q); for x being set st x in F holds
ex g being continuous Function of P,Q st x = g
let x be set ; ( x in F implies ex g being continuous Function of P,Q st x = g )
assume
x in F
; ex g being continuous Function of P,Q st x = g
then
x in ConFuncs P,Q
;
then consider y being Element of Funcs the carrier of P,the carrier of Q such that
A2:
( x = y & ex g being continuous Function of P,Q st g = y )
;
thus
ex g being continuous Function of P,Q st x = g
by A2; verum