Math Memes @lemmy.blahaj.zone FundMECFS @lemmy.blahaj.zone 1mo ago What is 2? Context: In ZFC set theory (which most of modern maths is built upon). The natural numbers are defined as recursions of empty sets.Ie. 0 = ∅ (the empty set)1 = {∅} = {0}2 = {∅, {∅}} etc…
Context: In ZFC set theory (which most of modern maths is built upon). The natural numbers are defined as recursions of empty sets.Ie. 0 = ∅ (the empty set)1 = {∅} = {0}2 = {∅, {∅}} etc…