Then, both factions were fighting over pet bogosities?<p>I believe <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;(%CE%B5,_%CE%B4)-definition_of_limit" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;(%CE%B5,_%CE%B4)-definition_of...</a> and similar methods are used to show equivalence today. The subject seems more insulated from this kind of philosophy.