let P1, P2 be Instruction-Sequence of SCM+FSA; :: thesis: for s1, s2 being 0 -started State of SCM+FSA
for I being really-closed Program of SCM+FSA st I c= P1 & I c= P2 & DataPart s1 = DataPart s2 holds
for i being Nat holds
( IC (Comput (P1,s1,i)) = IC (Comput (P2,s2,i)) & CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i))) & DataPart (Comput (P1,s1,i)) = DataPart (Comput (P2,s2,i)) )
let s1, s2 be 0 -started State of SCM+FSA; :: thesis: for I being really-closed Program of SCM+FSA st I c= P1 & I c= P2 & DataPart s1 = DataPart s2 holds
for i being Nat holds
( IC (Comput (P1,s1,i)) = IC (Comput (P2,s2,i)) & CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i))) & DataPart (Comput (P1,s1,i)) = DataPart (Comput (P2,s2,i)) )
let J be really-closed Program of SCM+FSA; :: thesis: ( J c= P1 & J c= P2 & DataPart s1 = DataPart s2 implies for i being Nat holds
( IC (Comput (P1,s1,i)) = IC (Comput (P2,s2,i)) & CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i))) & DataPart (Comput (P1,s1,i)) = DataPart (Comput (P2,s2,i)) ) )
assume that
A1: J c= P1 and
A2: J c= P2 and
A3: DataPart s1 = DataPart s2 ; :: thesis: for i being Nat holds
( IC (Comput (P1,s1,i)) = IC (Comput (P2,s2,i)) & CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i))) & DataPart (Comput (P1,s1,i)) = DataPart (Comput (P2,s2,i)) )
A4: Start-At (0,SCM+FSA) c= s2 by MEMSTR_0:29;
A5: Reloc (J,0) = J ;
let i be Nat; :: thesis: ( IC (Comput (P1,s1,i)) = IC (Comput (P2,s2,i)) & CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i))) & DataPart (Comput (P1,s1,i)) = DataPart (Comput (P2,s2,i)) )
A6: IC in dom (Start-At (0,SCM+FSA)) by MEMSTR_0:15;
A7: (IC (Comput (P1,s1,i))) + 0 = IC (Comput (P1,s1,i)) ;
A8: IC s2 = IC (Initialize s2) by A4, FUNCT_4:98
.= IC (Start-At (0,SCM+FSA)) by A6, FUNCT_4:13
.= 0 by FUNCOP_1:72 ;
IncAddr ((CurInstr (P1,(Comput (P1,s1,i)))),0) = CurInstr (P1,(Comput (P1,s1,i))) by COMPOS_0:3;
hence ( IC (Comput (P1,s1,i)) = IC (Comput (P2,s2,i)) & CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i))) & DataPart (Comput (P1,s1,i)) = DataPart (Comput (P2,s2,i)) ) by A3, A7, A8, Th8, A1, A2, A5; :: thesis: verum