Comment #7 on issue 281 by asmeurer: Infinity is a subclass of Rational http://code.google.com/p/sympy/issues/detail?id=281
zoo isn't Rational: In [28]: zoo.is_Rational Out[28]: False It's an AtomicExpr. Let's reimplement oo, -oo, and nan in the same way. -- 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.
