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___N__C__Ideal_sp_pl_sp__N__C__Ideal.out
-- -*- M2-comint -*- hash: 103626133231941922 i1 : A = QQ{x,y,z} o1 = A o1 : NCPolynomialRing i2 : p = y*z + z*y - x^2 2 o2 = zy+yz-x o2 : A i3 : q = x*z + z*x - y^2 2 o3 = zx-y +xz o3 : A i4 : r = z^2 - x*y - y*x 2 o4 = z -yx-xy o4 : A i5 : I = ncIdeal{p,q} 2 2 o5 = Two-sided ideal {zy+yz-x , zx-y +xz} o5 : NCIdeal i6 : J = ncIdeal r 2 o6 = Two-sided ideal {z -yx-xy} o6 : NCIdeal i7 : I + J 2 2 2 o7 = Two-sided ideal {zy+yz-x , zx-y +xz, z -yx-xy} o7 : NCIdeal i8 :