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