diff --git a/library/clpz.pl b/library/clpz.pl
index f438043d2..b29847be3 100644
--- a/library/clpz.pl
+++ b/library/clpz.pl
@@ -3548,13 +3548,14 @@
                m(-A)         => [d(D), p(ptimes(-1,A,R)), a(R)],
                m(max(A,B))   => [d(D), p(pgeq(R, A)), p(pgeq(R, B)), p(pmax(A,B,R)), a(A,B,R)],
                m(min(A,B))   => [d(D), p(pgeq(A, R)), p(pgeq(B, R)), p(pmin(A,B,R)), a(A,B,R)],
-               m(abs(A))     => [g(#R#>=0), d(D), p(pabs(A, R)), a(A,R)],
-               m(A/B)        => [p(preified_slash(A,B,D,R)), a(A,B,R)],
+               m(abs(A))     => [d(D), g(#R#>=0), p(pabs(A, R)), a(A,R)],
+               m(A^B)        => [d(D), p(pexp(A,B,R)), a(A,B,R)],
+               m(A/B)        => [d(D1), p(preified_slash(A,B,D2,R)),
+                                 p(reified_and(D1,[],D2,[],D)),a(D2),a(A,B,R)],
                m(A//B)       => [skeleton(A,B,D,R,ptzdiv)],
                m(A div B)    => [skeleton(A,B,D,R,pdiv)],
                m(A mod B)    => [skeleton(A,B,D,R,pmod)],
                m(A rem B)    => [skeleton(A,B,D,R,prem)],
-               m(A^B)        => [d(D), p(pexp(A,B,R)), a(A,B,R)],
                % bitwise operations
                m(\A)         => [function(D,\,A,R)],
                m(msb(A))     => [g(#A#>0) ,function(D,msb,A,R)],