let f be set ; for p being FinSequence holds 1GateCircStr (p,f) = 1GateCircStr (p,f,[p,f])
let p be FinSequence; 1GateCircStr (p,f) = 1GateCircStr (p,f,[p,f])
set S = 1GateCircStr (p,f);
A1:
the carrier' of (1GateCircStr (p,f)) = {[p,f]}
by Def6;
A2:
the Arity of (1GateCircStr (p,f)) . [p,f] = p
by Def6;
A3:
the ResultSort of (1GateCircStr (p,f)) . [p,f] = [p,f]
by Def6;
the carrier of (1GateCircStr (p,f)) = (rng p) \/ {[p,f]}
by Def6;
hence
1GateCircStr (p,f) = 1GateCircStr (p,f,[p,f])
by A1, A2, A3, Def5; verum