On Monday, July 3, 2017 at 12:00:03 PM UTC+2, LudJam wrote: > > I think I discovered a case where bool() of a symbolic expression returns > false while it is true : > > bool(sqrt(-4*x+4)==sqrt(-x+1)*2) > >>false >
That is not a bug. False can mean False and Unknown here. Blame Python for the fact that we cannot express tri-state logic in Sage. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.