Comment #4 on issue 3145 by pr...@goodok.ru: simultaneous substitution http://code.google.com/p/sympy/issues/detail?id=3145
Upon XFAIL I meant `(sqrt(a/b)).subs([(a,0),(b,0)]) <> (sqrt(a/b)).subs(reversed([(a,0),(b,0)]))`
-- 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.