On Fri, Mar 21, 2014 at 10:13:34AM +0100, Joachim Durchholz wrote: > One can see it as a rational. Then it's not a field because not all > combinations of values and operations will return another float. > Or one can see it as a IEEE model number (basically, an interval of > rationals, plus some extra values). That's a field, but the > semantics are complicated and unreliable.
A "field", in which "+" is not associative - not a field... -- 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 [email protected]. To post to this group, send email to [email protected]. 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/20140321092702.GB11937%40darkstar.order.hcn-strela.ru. For more options, visit https://groups.google.com/d/optout.
