LIB "tst.lib"; tst_init(); ring rng = integer,(xe,xv),dp; ideal j = 4*xv^3+3*xv^2, 3*xe*xv^2+xe-2*xv; ideal i = -3, -3*xv-1, -3; def q1 = quotient( std(j), std(i) ); def q2 = quotient( j, i ); def r1 = reduce( std(q1), std(q2) ); def r2 = reduce( std(q2), std(q1) ); ASSUME( 0, size(r1)==0 ); ASSUME( 0, size(r2)==0 ); tst_status(1);$