let E be non empty set ; for A being non empty automaton of (Lex E) \/ {(<%> E)} holds the InitS of (_bool A) = {((<%> E) -succ_of the InitS of A,A)}
let A be non empty automaton of (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