let S, T be complete continuous LATTICE; UPS S,T is continuous
consider X being non empty set , p being projection Function of (BoolePoset X),(BoolePoset X) such that
A1:
p is directed-sups-preserving
and
A2:
T, Image p are_isomorphic
by WAYBEL15:20;
A3:
(id S) * (id S) = id S
by QUANTAL1:def 9;
Image p is non empty complete Poset
by A2, WAYBEL20:18;
then
UPS S,T, UPS S,(Image p) are_isomorphic
by A2, Th36;
then A4:
UPS S,T, Image (UPS (id S),p) are_isomorphic
by A1, Th37;
consider L being Scott TopAugmentation of S;
A5:
InclPoset (sigma L) is continuous
by WAYBEL14:36;
A6:
UPS S,(BoolePoset 1), InclPoset (sigma S) are_isomorphic
by Th34;
p * p = p
by QUANTAL1:def 9;
then
(UPS (id S),p) * (UPS (id S),p) = UPS (id S),p
by A3, A1, Th28;
then
UPS (id S),p is idempotent directed-sups-preserving Function of (UPS S,(BoolePoset X)),(UPS S,(BoolePoset X))
by A1, Th30, QUANTAL1:def 9;
then A7:
UPS (id S),p is directed-sups-preserving projection Function of (UPS S,(BoolePoset X)),(UPS S,(BoolePoset X))
by WAYBEL_1:def 13;
BoolePoset X,(BoolePoset 1) |^ X are_isomorphic
by Th18;
then A8:
UPS S,(BoolePoset X), UPS S,((BoolePoset 1) |^ X) are_isomorphic
by Th36;
RelStr(# the carrier of L,the InternalRel of L #) = RelStr(# the carrier of S,the InternalRel of S #)
by YELLOW_9:def 4;
then
InclPoset (sigma S) is continuous
by A5, YELLOW_9:52;
then
( UPS S,(BoolePoset 1) is continuous & UPS S,(BoolePoset 1) is complete )
by A6, WAYBEL15:11, WAYBEL_1:7;
then
for x being Element of X holds (X --> (UPS S,(BoolePoset 1))) . x is complete continuous LATTICE
by FUNCOP_1:13;
then
X -POS_prod (X --> (UPS S,(BoolePoset 1))) is continuous
by WAYBEL20:34;
then A9:
(UPS S,(BoolePoset 1)) |^ X is continuous
by YELLOW_1:def 5;
UPS S,((BoolePoset 1) |^ X),(UPS S,(BoolePoset 1)) |^ X are_isomorphic
by Th42;
then
UPS S,(BoolePoset X),(UPS S,(BoolePoset 1)) |^ X are_isomorphic
by A8, WAYBEL_1:8;
then
UPS S,(BoolePoset X) is continuous LATTICE
by A9, WAYBEL15:11, WAYBEL_1:7;
then
Image (UPS (id S),p) is continuous
by A7, WAYBEL15:17;
hence
UPS S,T is continuous
by A4, WAYBEL15:11, WAYBEL_1:7; verum