>> Note about the patch: to avoid dependencies on the inheritance order >> between the bases, wouldn't it be more natural to have the default >> definition of is_abelian in Category? > > That sounds like a good idea. (Although should the default definition > be "NotImplemented" or "False"? I'm not sure.) >
I'm strongly in favour of NotImplementedError, since False would possibly quietly return a mathematically wrong answer. Best, Alex -- Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne -- Australia -- http://www.ms.unimelb.edu.au/~aghitza/ --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
