Definitions | x:A. B(x), {i..j }, #$n, b, f(a), S T, |g|, Void, n - m, n+m, -n, i j , , A, False, p-mu(P;x), Top,  x. t(x), ( x L.P(x)), x L. P(x), x f y, A c B, a < b, a <p b, a b, a ~ b, b | a, P  Q, Dec(P), P Q, left + right, x.A(x), {x:A| B(x)} , i j < k, P & Q, x:A B(x), , , a < b, , Type, A B, x:A. B(x), x:A B(x), t T, s = t |