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 WAYBEL15:18;
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;
set L = the Scott TopAugmentation of S;
A5:
InclPoset (sigma the Scott TopAugmentation of S) is continuous
by WAYBEL14:36;
A6:
UPS (S,(BoolePoset {0})), 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 {0}) |^ X are_isomorphic
by Th18;
then A8:
UPS (S,(BoolePoset X)), UPS (S,((BoolePoset {0}) |^ X)) are_isomorphic
by Th36;
RelStr(# the carrier of the Scott TopAugmentation of S, the InternalRel of the Scott TopAugmentation of S #) = 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 {0})) is continuous & UPS (S,(BoolePoset {0})) is complete )
by A6, WAYBEL15:9, WAYBEL_1:6;
then
for x being Element of X holds (X --> (UPS (S,(BoolePoset {0})))) . x is complete continuous LATTICE
;
then
X -POS_prod (X --> (UPS (S,(BoolePoset {0})))) is continuous
by WAYBEL20:33;
then A9:
(UPS (S,(BoolePoset {0}))) |^ X is continuous
by YELLOW_1:def 5;
UPS (S,((BoolePoset {0}) |^ X)),(UPS (S,(BoolePoset {0}))) |^ X are_isomorphic
by Th42;
then
UPS (S,(BoolePoset X)),(UPS (S,(BoolePoset {0}))) |^ X are_isomorphic
by A8, WAYBEL_1:7;
then
UPS (S,(BoolePoset X)) is continuous LATTICE
by A9, WAYBEL15:9, WAYBEL_1:6;
then
Image (UPS ((id S),p)) is continuous
by A7, WAYBEL15:15;
hence
UPS (S,T) is continuous
by A4, WAYBEL15:9, WAYBEL_1:6; verum