Evolution of the notation for the empty set:
0 - George Boole 🇬🇧 (1847)
𝑂 - Georg Cantor 🇩🇪 (1880)
{} - Gottlob Frege 🇩🇪 (1882)
Λ - Giuseppe Peano 🇮🇹 (1889)
∅ - Andre Weil 🇫🇷 (1939)

"Much later, my own part in these discussions earned me the respect of my daughter Nicolette, when she learned the symbol Ø for the empty set at school and I told her that I had been personally responsible for its adoption." - Andre Weil

#Set #EmptySet #NullSet #Null #Zero #Cardinality

"“It’s lasted for almost 20 years, and probably will stick forever, as an homage to the nerdy, nonconformist nature of New College,” the Null Set webpage once said. This webpage has since been removed from the official New College website. It is unclear when it was taken down."

https://ncfcatalyst.com/new-college-new-mascot-administration-proposes-sudden-mascot-change/

#NewCollegeofFL #NullSet