let s be State of SCM+FSA; :: thesis: for I being Program of SCM+FSA holds IC (IExec (I,s)) = IC (Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I))))
let I be Program of SCM+FSA; :: thesis: IC (IExec (I,s)) = IC (Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I))))
A1: dom s = ((Int-Locations \/ FinSeq-Locations) \/ {(IC SCM+FSA)}) \/ NAT by SCMFSA6A:34;
A2: dom (s | NAT) = (dom s) /\ NAT by RELAT_1:90
.= NAT by A1, XBOOLE_1:21 ;
A3: not IC SCM+FSA in dom (s | NAT) by A2, COMPOS_1:3;
IExec (I,s) = (Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I)))) +* (s | NAT) by SCMFSA6B:def 1;
hence IC (IExec (I,s)) = IC (Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I)))) by A3, FUNCT_4:12; :: thesis: verum