Definitions | s = t, P Q, Type, left + right, type List, False, x:AB(x), P Q, x:A. B(x), A, no_repeats(T;l), adjacent(T;L;x;y), x:A B(x), x:A. B(x), L1 L2, x before y l, a < b, (x l), Dec(P), P & Q, P Q, , A B, Atom, {i..j}, , b, x,y:A//B(x;y), b | a, a ~ b, |p|, a b, a <p b, |g|, a < b, A c B, f(a), x f y, |r|, xL. P(x), (xL.P(x)), Unit, {T}, Void, t T |