| Definitions | t  T,  x:A. B(x), FairFifo, x:A   B(x), E, e < e', x:A  B(x), P   Q, World, time(e), a<b, w-info(w;e),  x.A(x), loc(e), Id, s = t, P & Q, w_locl(w;x;y), P   Q,  , {x:A| B(x) }, Type, Prop, w-pred(w;e), pred(e), first(e),  b,  A, A & B, rel_exp(T;R;n), f(a),   ,  x:A. B(x), P   Q, x f y, R^+, i=  j, {T}, SQType(T),  , s ~ t, #$n, left+right, P  Q, Dec(P), A  B, Void, False, <a,b>,   b,  , Unit, n-m, -n, n+m, loc(e), a(i;t), isnull(a), Atom$n, i  j,   x. t(x), 2of(t), 1of(t) |