Definitions | {x:A| B(x)} , , type List, A, A B, (x l), x L. P(x), x:A B(x), s = t, Inj(A;B;f), {i..j }, False, t T, Id, P  Q, x:A. B(x), , A c B, P & Q, x:A B(x), Void, i j < k, S T, a < b, suptype(S; T), <a, b>, Type,  x. t(x), Namer(n;Id_list), A B, f(a), , #$n |