Definitions | gt(i; j), P Q, T, True, P  Q, P   Q, x:A. B(x), A c B, divides(b; a), gcd_p(a; b; y), coprime(a; b), prop{i:l}, guard(T), sq_type(T), P Q, spreadn(a; x,y,z.t(x;y;z)), False, P  Q, A, nequal(T; a; b), int_nzero, top, ff, if b then t else f fi , tt, qrep(r), t T, x:A. B(x), decidable(P), Unit, A B, , qeq(r; s), , b-union(A; B), rationals,  |