Definitions | , r + s, r - s, Trans(T;x,y.E(x;y)), SWellFounded(R(x;y)), Msg(M), l[i], msg(l;t;v), tag(k), destination(l), A, Id, source(l), type List, Msg_sub(l;M), [], P  Q, P   Q, P Q, a < b, x:A. B(x), {i..j }, #$n, ||as||, x:A. B(x), A c B, b, isrcv(k), IdLnk, lnk(k), P & Q, s = t, , f(a) |