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_opposite__Ring.out
-- -*- M2-comint -*- hash: 4693147686854844631 i1 : R = QQ[q]/ideal{q^4+q^3+q^2+q+1} o1 = R o1 : QuotientRing i2 : A = skewPolynomialRing(R,q,{x,y,z,w}) o2 = A o2 : NCQuotientRing i3 : x*y == q*y*x o3 = true i4 : Aop = oppositeRing A o4 = Aop o4 : NCQuotientRing i5 : y*x == q*x*y o5 = true i6 :