Definitions | x(s), T, x. t(x), i <z j, b, i z j, nth_tl(n;as), hd(l), Y, ||as||, l[i], S T, A c B, let x,y,z = a in t(x;y;z), as @ bs, Valtype(da;k), Top, , A B, , False, True, if b then t else f fi , ff, tt, null(as), A, P Q, x:A. B(x), last(L), t.1, t T, b, event-info(ds;da), Knd, P Q, x:A. B(x), P & Q, P Q |