-- -*- M2-comint -*- hash: 16510458559583052995

i1 : P = makePolynomialOIAlgebra(2, x, QQ);

i2 : F = makeFreeOIModule(e, {1,2}, P);

i3 : G = makeFreeOIModule(d, {}, P);

i4 : isZero F

o4 = false

i5 : isZero G

o5 = true

i6 : 
