Philosophy of Mathspeaking topic

Among any six people, there must be either three who all know each other or three who are all complete strangers to one another. Even in pure chaos, order is forced to appear. Why can't randomness escape pattern?

Ramsey theory

practice with this topic

Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.