> More importantly, what happens if coercion etc. fails? Will Sage then > potentially make false mathematical statements, or raise an > exception / return "unknown" or "undecidable" etc.
No. It catches the ValueErrors and TypeErrors, and returns False (so ZZ['x'].gen() is not in QQ). David -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
