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 <distantjob...@gmail.com> 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+unsubscr...@googlegroups.com. > To post to this group, send email to sympy@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/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. > -- 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+unsubscr...@googlegroups.com. To post to this group, send email to sympy@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/CAFW_KCScrevxVurSyteKGm6yRqGPGeshaQQhzqxkvCTWT%2BhceQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
