Based on this question that was asked Breaking a "engagement" (shiduch) Has anyone come across of an idea whereby if someone got engaged and want to call it off they get married and get a Gett.

I saw a couple of essays yesterday arguing that some teachings in Avot may have been directed specifically against the Greek philosopher Epicurus* and his teachings. I was wondering whether any of the Rishonim reference Epicurus and/or his teachings? *Some say Epicurus is where the term Apikoros...