crossposting nbruin's comment from http://trac.sagemath.org/ticket/14862#comment:6 :
""" The thing that mainly surprises me is that sage: a=Hom(ZZ,ZZ)(1) sage: b=Hom(ZZ,ZZ)(1) sage: Composition(a,b) fails. Composition is such an overused term in mathematics that I think it's ill-advised to expose some specialist combinatorial notion of the term in the global scope. """ Cheers, Christian -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-combinat-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-combinat-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-combinat-devel. For more options, visit https://groups.google.com/groups/opt_out.
