Thanks. On Wednesday, March 25, 2015 at 8:13:00 PM UTC+2, Sudhanshu Mishra wrote: > > In [24]: pi.is_NumberSymbol > Out[24]: True > > pi is not an object of Number class though. > > Sudhanshu Mishra > > On Wed, Mar 25, 2015 at 11:16 PM, Paul Royik <distan...@gmail.com > <javascript:>> wrote: > >> Thank you. >> Can you tell me what pi is instance of? >> >> On Wednesday, March 25, 2015 at 6:55:53 PM UTC+2, Aaron Meurer wrote: >>> >>> The capitalized version checks if the class is an instance of the >>> Number class (this is true in general for is_Capitalized). The >>> lowercase version checks if the expression has free symbols. So for >>> instance, (1 + pi).is_number is True but (1 + pi).is_Number is False. >>> In general, is_lowercase means it checks some assumption on an >>> expression (is_number is technically not part of the assumptions >>> system, but it is very similar). >>> >>> Aaron Meurer >>> >>> On Wed, Mar 25, 2015 at 7:32 AM, Paul Royik <distan...@gmail.com> >>> wrote: >>> > What is the difference between above two properties? >>> > >>> > -- >>> > You received this message because you are subscribed to the Google >>> Groups >>> > "sympy" group. >>> > To unsubscribe from this group and stop receiving emails from it, send >>> an >>> > email to sympy+un...@googlegroups.com. >>> > To post to this group, send email to sy...@googlegroups.com. >>> > Visit this group at http://groups.google.com/group/sympy. >>> > To view this discussion on the web visit >>> > https://groups.google.com/d/msgid/sympy/bece1b16-7060- >>> 44b0-b3b5-932fec144f4a%40googlegroups.com. >>> > For more options, visit https://groups.google.com/d/optout. >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sympy+un...@googlegroups.com <javascript:>. >> To post to this group, send email to sy...@googlegroups.com <javascript:> >> . >> Visit this group at http://groups.google.com/group/sympy. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/9ec2f208-b03d-47b7-bee7-110a68695055%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sympy/9ec2f208-b03d-47b7-bee7-110a68695055%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > >
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