Issue 1941: Objects that know how to combine themselves http://code.google.com/p/sympy/issues/detail?id=1941
This issue is now blocking issue 1860. See http://code.google.com/p/sympy/issues/detail?id=1860 -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this issue. You may adjust your issue notification preferences at: http://code.google.com/hosting/settings -- You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-issues@googlegroups.com. To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en.