Good God, not another of these threads... This subject has been beaten to death. Stop already.
With regards to that rickroll thing, B&.
>>15
Your statements are true, and you provide a good introduction to real analysis, but it doesn't disprove
>>10's claim that it's a limitation of our number system (real numbers). The current definition of real numbers doesn't allow for infinitesimals, so we just say "infinitesimals = 0" (at least in this case) or something. If we want infinitesimals and such, we can gb2 that nullity theory.