| LIB "tropical.lib";
ring r=0,(x,y),dp;
ideal i=(x+1)*y2;
// y is NOT in the radical of i
radicalMemberShip(y,i);
==> 0
ring rr=0,(x,y),ds;
ideal i=(x+1)*y2;
// since this time the ordering is local, y is in the radical of i
radicalMemberShip(y,i);
==> 1
|