For the same reason that sage: z = ZZ(2) sage: parent(z) Integer Ring sage: q = QQ(2) sage: parent(q) Rational Field sage: z == q True sage: p = ZZ['x'](2) sage: p == z True
On Mar 10, 2009, at 11:23 AM, Ralf Hemmecke wrote: > > Can somebody give me a convincing reason why I see True in the > following > session? > > sage: z = ZZ(2) > sage: parent(z) > Integer Ring > sage: q = Mod(2, 7) > sage: parent(q) > Ring of integers modulo 7 > sage: z == q > True > > This is related to... > http://sage.math.washington.edu/home/mhansen/sage/devel/sage/doc/ > output/html/en/developer/coding_in_python.html#the-hash-special-method > > Ralf > > > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
