-- -*- M2-comint -*- hash: 8027545605249887897

i1 : R = QQ[x]

o1 = R

o1 : PolynomialRing

i2 : phi = map(R^1/(x^2),R^1/(x^2), x, Degree=>1)

o2 = | x |

o2 : Matrix

i3 : differentialModule(phi)

o3 = cokernel | x2 | <-- cokernel | x2 | <-- cokernel | x2 |
                                              
     -1                  0                   1

o3 : DifferentialModule

i4 : 
