Zorn’s Lemma guarantees the existence of maximal hand-washing techniques Posted on 2020/03/14 by Carl Robitaille Zorn's Lemma guarantees the existence of maximal hand-washing techniques pic.twitter.com/JpKEBpMKDG— 🟣 @ohmygoedel@mathstodon.xyz (@ohmygoedel) March 13, 2020