3 ms·
> Why not have number systems where infinitesimals are allowed? There are. A few of them, in fact. Look up the hyperreals.
by derleth 15y ago
> Why not have number systems where infinitesimals are allowed?
There are. A few of them, in fact. Look up the hyperreals.
- kalid 15y agoYep, exactly :). (Should have made it more clear that I was referring to other systems like surreals and hyperreals, but wasn't clear whether the parent was joking or not).
- Natsu 15y agoI think you might like this: http://www.cut-the-knot.org/WhatIs/Infinity/9999.shtml http://www.cut-the-knot.org/WhatIs/Infinity/9999.shtml
- kalid 15y agoThanks for the pointer! I enjoy discussions about .999... because it really makes us question what we mean about infinity (and assumptions about the reals).