let I be non empty set ; :: thesis: for T being Scott TopAugmentation of product (I --> (BoolePoset 1)) holds T is injective
let T be Scott TopAugmentation of product (I --> (BoolePoset 1)); :: thesis: T is injective
A1:
RelStr(# the carrier of T,the InternalRel of T #) = product (I --> (BoolePoset 1))
by YELLOW_9:def 4;
A2:
the topology of T = the topology of (product (I --> Sierpinski_Space ))
by Th16;
set IB = I --> (BoolePoset 1);
set IS = I --> Sierpinski_Space ;
LattPOSet (BooleLatt 1) = RelStr(# the carrier of (BooleLatt 1),(LattRel (BooleLatt 1)) #)
by LATTICE3:def 2;
then A3: the carrier of (BoolePoset 1) =
the carrier of (BooleLatt 1)
by YELLOW_1:def 2
.=
bool {{} }
by CARD_1:87, LATTICE3:def 1
.=
{0 ,1}
by CARD_1:87, ZFMISC_1:30
;
A4: dom (Carrier (I --> (BoolePoset 1))) =
I
by PARTFUN1:def 4
.=
dom (Carrier (I --> Sierpinski_Space ))
by PARTFUN1:def 4
;
A5:
for i being set st i in dom (Carrier (I --> (BoolePoset 1))) holds
(Carrier (I --> (BoolePoset 1))) . i = (Carrier (I --> Sierpinski_Space )) . i
A11: the carrier of T =
product (Carrier (I --> (BoolePoset 1)))
by A1, YELLOW_1:def 4
.=
product (Carrier (I --> Sierpinski_Space ))
by A4, A5, FUNCT_1:9
.=
the carrier of (product (I --> Sierpinski_Space ))
by Def3
;
for i being Element of I holds (I --> Sierpinski_Space ) . i is injective
by FUNCOP_1:13;
then
product (I --> Sierpinski_Space ) is injective
by Th8;
hence
T is injective
by A2, A11, Th17; :: thesis: verum