//SINGULAR Example7.9.6






ring A=(2,a),(x,y),(c,dp);
qring B=std(x2+y2+a);
ideal I=x2+a,y;

print(mres(I,2));



setring A;
qring C=std(x2+y2+1);
ideal I=x+1,y;

print(mres(I,2));