| Definitions | time(e), kind(e), lnk(k), match(l;t;t'),  b,  A, P   Q, a<b, isrcv(k), FairFifo,  ,  x:A. B(x), E, World, x:A  B(x), P & Q, t  T, x:A   B(x), P   Q, False, {x:A| B(x) }, Prop, Void, A  B,  , i  j, snds(l;t), ||as||, source(l), m(i;t), onlnk(l;mss), n+m, upto(n), Type, #$n, {i..j  }, S  T, i  j < k, S  T, map(f;as), concat(ll), <a,b>, w.M, mlnk(m), Id, Msg(M), m(l;t), f(a), Msg, type List, s = t,  x.A(x), True,  T, P   Q, as @ bs, left+right, P  Q, Dec(P) |