set S1 = {(IC )};
set S2 = SCM-Data-Loc ;
set S3 = NAT ;
defpred S1[ set , set ] means ex m being Element of NAT st
( ( $1 = IC & $2 = F2() ) or ( $1 = DataLoc (m,0) & $2 = F1(m) ) );
A1:
for e being set st e in the carrier of SCMPDS holds
ex u being set st S1[e,u]
consider f being Function such that
A7:
dom f = the carrier of SCMPDS
and
A8:
for e being set st e in the carrier of SCMPDS holds
S1[e,f . e]
from CLASSES1:sch 1(A1);
A9:
dom the Object-Kind of SCMPDS = the carrier of SCMPDS
by FUNCT_2:def 1;
then reconsider f = f as State of SCMPDS by A7, A9, FUNCT_1:def 14, PARTFUN1:def 2, RELAT_1:def 18;
consider m being Element of NAT such that
A15:
( ( IC = IC & f . (IC ) = F2() ) or ( IC = DataLoc (m,0) & f . (IC ) = F1(m) ) )
by A8;
take
f
; ( IC f = F2() & ( for i being Element of NAT holds f . (DataLoc (i,0)) = F1(i) ) )
thus
IC f = F2()
by A15, SCMPDS_2:43; for i being Element of NAT holds f . (DataLoc (i,0)) = F1(i)
let i be Element of NAT ; f . (DataLoc (i,0)) = F1(i)
ex m being Element of NAT st
( ( DataLoc (i,0) = IC & f . (DataLoc (i,0)) = F2() ) or ( DataLoc (i,0) = DataLoc (m,0) & f . (DataLoc (i,0)) = F1(m) ) )
by A8;
hence
f . (DataLoc (i,0)) = F1(i)
by Th17, SCMPDS_2:43; verum