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