let E be non empty set ; for A being non empty automaton over (Lex E) \/ {(<%> E)} holds the InitS of (_bool A) = {((<%> E) -succ_of ( the InitS of A,A))}
let A be non empty automaton over (Lex E) \/ {(<%> E)}; the InitS of (_bool A) = {((<%> E) -succ_of ( the InitS of A,A))}
the InitS of (_bool A) =
the InitS of semiautomaton(# the carrier of (_bool A), the Tran of (_bool A), the InitS of (_bool A) #)
.=
the InitS of (_bool semiautomaton(# the carrier of A, the Tran of A, the InitS of A #))
by Def6
.=
{((<%> E) -succ_of ( the InitS of semiautomaton(# the carrier of A, the Tran of A, the InitS of A #),semiautomaton(# the carrier of A, the Tran of A, the InitS of A #)))}
by Def3
;
hence
the InitS of (_bool A) = {((<%> E) -succ_of ( the InitS of A,A))}
by REWRITE3:105; verum