isCI R or isCI I
Checks if the local ring obtained by localizing the quotient by I at the irrelevant maximal ideal is complete intersection.
i1 : Q = QQ[x,y,z];
i2 : isCI (ideal(x^2,x*y,y*z,z^2)) o2 = false
i3 : isCI (ideal(x^2,y^2)) o3 = true