| Definitions | decidable(P), x:A   B(x),  x:A. B(x),  b, s = t, P   Q, x:A  B(x),  x:A. B(x), divides(b; a), assoced(a; b), set_leq(p; a; b), set_lt(p; a; b), grp_lt(g; a; b), A c  B, f(a), x f y, l_all(L; T; x.P(x)), l_exists(L; T; x.P(x)), qle(r; s), qless(r; s), q-rel(r; x), p-outcome(p), (x  l), l_disjoint(T; l1; l2), event_system{i:l}, es-E(es), t  T, e = e', Type, prop{i:l}, P   Q, P  Q, P    Q, strong-subtype(A; B), left + right, P  Q, False,  A,  , a < b, A  B, atom, int_seg(i; j),  , quotient(A; x,y.B(x;y)), set_car(p), grp_car(g), rng_car(r), Unit,   ,  , atom{$n:n}, rationals, dstype(TypeNames; d; a), Id, IdLnk, Knd, MaName |