Definitions | , t T, x:A B(x), IdLnk, A B, x:A B(x), P & Q, x:A. B(x), P  Q, x:A. B(x), FairFifo, World, {x:A| B(x)} , i j , a < b, Void, False, A, #$n, -n, n+m, n - m, rcvs(l;t), destination(l), Action(i), ||as||, , snds(l;t), Msg, , A c B, left + right, P Q, b, s = t,  b, , (i = j), P   Q, Unit, {T}, SQType(T), s ~ t, a(i;t), isrcv(l;a), x:A.B(x), Top, upto(n), {i..j }, i j < k, x.A(x), Type, map(f;as), True, type List, [], [car / cdr], P  Q, T, S T, queue(l;t), i z j, i <z j, if b then t else f fi , m(l;t) |