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(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)],