-- -*- M2-comint -*- hash: 1246871448447158696

i1 : M = wheel 3

o1 = a "matroid" of rank 3 on 6 elements

o1 : Matroid

i2 : M == matroid wheelGraph 4

o2 = true

i3 : N = whirl 3

o3 = a "matroid" of rank 3 on 6 elements

o3 : Matroid

i4 : areIsomorphic(N, relaxation M)

o4 = true

i5 : 
