Sunday 07 March 2021

“Οἱ πρῶτοι ἀριθμοὶ πλείους εἰσὶ παντὸς τοῦ προτεθέντος πλήθους πρώτων ἀριθμῶν”

(“Prime numbers are more than any assigned multitude of prime numbers”)

Euclide’s Elements, Book 20, Proposition 9

Manuscript MS D’Orville 301 containing the thirteen books of Euclid’s Elements, copied by Stephen the Clerk for Arethas of Patras in Constantinople in 888 AD.
 (kept in the Bodleian Library at the University of Oxford)