Definitions | i=j, M.init(x)?v, n-m, d-partial-world(D;f;t';s), Case b of inl(x) s(x) ; inr(y) t(y), p q, i = j, destination(l), i<j, #$n, ||as||, rcv(l,tg), mtag(m), mval(m), hd(l), queue(l;t), doact(k;v), inr(x), outl(x), null, nil, filter(P;l), a = b, source(l), mlnk(m), M.sends(k,s,v), let x = a in b(x), if b t else f fi, isl(x), x.A(x), M.ef(k,x,s,v)?w, M(i), 1of(t), 2of(t), outr(x), f(a), <a,b> |