let o be Object of (STC N); :: according to AMISTD_4:def 2 :: thesis: not Values o is trivial
A1: the carrier of (STC N) = {0} by AMISTD_1:def 7;
A2: the Object-Kind of (STC N) = 0 .--> 0 by AMISTD_1:def 7;
per cases o in {0} by A1;
end;