let X, Y be non empty TopSpace; for S being Scott TopAugmentation of InclPoset the topology of Y
for f1, f2 being Element of (ContMaps (X,S)) st f1 <= f2 holds
*graph f1 c= *graph f2
let S be Scott TopAugmentation of InclPoset the topology of Y; for f1, f2 being Element of (ContMaps (X,S)) st f1 <= f2 holds
*graph f1 c= *graph f2
let f1, f2 be Element of (ContMaps (X,S)); ( f1 <= f2 implies *graph f1 c= *graph f2 )
assume A1:
f1 <= f2
; *graph f1 c= *graph f2
reconsider F1 = f1, F2 = f2 as Function of X,S by WAYBEL24:21;
let a, b be object ; RELAT_1:def 3 ( not [a,b] in *graph f1 or [a,b] in *graph f2 )
A2:
RelStr(# the carrier of S, the InternalRel of S #) = RelStr(# the carrier of (InclPoset the topology of Y), the InternalRel of (InclPoset the topology of Y) #)
by YELLOW_9:def 4;
f2 is Function of X,S
by WAYBEL24:21;
then A3:
dom f2 = the carrier of X
by FUNCT_2:def 1;
assume A4:
[a,b] in *graph f1
; [a,b] in *graph f2
then A5:
( a in dom f1 & b in f1 . a )
by WAYBEL26:38;
f1 is Function of X,S
by WAYBEL24:21;
then A6:
dom f1 = the carrier of X
by FUNCT_2:def 1;
then reconsider a9 = a as Element of X by A4, WAYBEL26:38;
F1 . a9 is Element of S
;
then
f1 . a in the carrier of (InclPoset the topology of Y)
by A2;
then A7:
f1 . a in the topology of Y
by YELLOW_1:1;
F2 . a9 is Element of S
;
then
f2 . a in the carrier of (InclPoset the topology of Y)
by A2;
then A8:
f2 . a in the topology of Y
by YELLOW_1:1;
[(f1 . a9),(f2 . a9)] in the InternalRel of S
by A1, WAYBEL24:20;
then
[(f1 . a),(f2 . a)] in RelIncl the topology of Y
by A2, YELLOW_1:1;
then
f1 . a c= f2 . a
by A7, A8, WELLORD2:def 1;
hence
[a,b] in *graph f2
by A6, A3, A5, WAYBEL26:38; verum