let X, Y be non empty TopSpace; for S being Scott TopAugmentation of InclPoset the topology of Y
for W1, W2 being open Subset of [:X,Y:] st W1 c= W2 holds
for f1, f2 being Element of (oContMaps (X,S)) st f1 = (W1, the carrier of X) *graph & f2 = (W2, the carrier of X) *graph holds
f1 <= f2
let S be Scott TopAugmentation of InclPoset the topology of Y; for W1, W2 being open Subset of [:X,Y:] st W1 c= W2 holds
for f1, f2 being Element of (oContMaps (X,S)) st f1 = (W1, the carrier of X) *graph & f2 = (W2, the carrier of X) *graph holds
f1 <= f2
let W1, W2 be open Subset of [:X,Y:]; ( W1 c= W2 implies for f1, f2 being Element of (oContMaps (X,S)) st f1 = (W1, the carrier of X) *graph & f2 = (W2, the carrier of X) *graph holds
f1 <= f2 )
assume A1:
W1 c= W2
; for f1, f2 being Element of (oContMaps (X,S)) st f1 = (W1, the carrier of X) *graph & f2 = (W2, the carrier of X) *graph holds
f1 <= f2
let f1, f2 be Element of (oContMaps (X,S)); ( f1 = (W1, the carrier of X) *graph & f2 = (W2, the carrier of X) *graph implies f1 <= f2 )
assume A2:
( f1 = (W1, the carrier of X) *graph & f2 = (W2, the carrier of X) *graph )
; f1 <= f2
reconsider g1 = f1, g2 = f2 as continuous Function of X,(Omega S) by Th1;
S is TopAugmentation of S
by YELLOW_9:44;
then A3:
RelStr(# the carrier of S, the InternalRel of S #) = RelStr(# the carrier of (Omega S), the InternalRel of (Omega S) #)
by WAYBEL25:16;
A4:
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;
now for j being set st j in the carrier of X holds
ex a, b being Element of the carrier of (Omega S) st
( a = g1 . j & b = g2 . j & a <= b )let j be
set ;
( j in the carrier of X implies ex a, b being Element of the carrier of (Omega S) st
( a = g1 . j & b = g2 . j & a <= b ) )assume
j in the
carrier of
X
;
ex a, b being Element of the carrier of (Omega S) st
( a = g1 . j & b = g2 . j & a <= b )then reconsider x =
j as
Element of
X ;
reconsider g1x =
g1 . x,
g2x =
g2 . x as
Element of
(InclPoset the topology of Y) by A3, YELLOW_9:def 4;
take a =
g1 . x;
ex b being Element of the carrier of (Omega S) st
( a = g1 . j & b = g2 . j & a <= b )take b =
g2 . x;
( a = g1 . j & b = g2 . j & a <= b )thus
(
a = g1 . j &
b = g2 . j )
;
a <= b
(
g1 . x = Im (
W1,
x) &
g2 . x = Im (
W2,
x) )
by A2, Def5;
then
g1 . x c= g2 . x
by A1, RELAT_1:124;
then
g1x <= g2x
by YELLOW_1:3;
hence
a <= b
by A4, A3, YELLOW_0:1;
verum end;
then
g1 <= g2
;
hence
f1 <= f2
by Th3; verum