-- -*- M2-comint -*- hash: 17090343071115033744

i1 : B = flagBundle({3,1})

o1 = B

o1 : a flag bundle with subquotient ranks {3, 1}

i2 : E = first bundles B

o2 = E

o2 : an abstract sheaf of rank 3 on B

i3 : incidenceCorrespondence({1,2},E)

o3 = an incidence correspondence

o3 : an incidence correspondence from a flag bundle to a flag bundle

i4 : 
