Math facts Memes

The existential horror of past-tense math facts! Nothing triggers mathematical anxiety quite like someone casually mentioning that a number "was" prime, as if primes could somehow lose their primality overnight. It's like saying "oxygen used to be an element" or "gravity was a fundamental force." Mathematical truths exist outside of time—they don't expire, go stale, or get voted out of office. Poor woman's reaction is every mathematician's internal scream when someone treats eternal truths as temporary visitors. Next thing you know, they'll be saying "Remember when π was approximately 3.14? Those were the days..."