▁marg inal ia ▁( F erm at ' s ▁Last ▁Theorem ), ▁Ch ort as men os ▁wrote , ▁" Th y ▁soul , ▁Di oph ant us , ▁be ▁with ▁Sat an ▁because ▁of ▁the ▁difficulty ▁of ▁your ▁other ▁the or ems ▁and ▁particularly ▁of ▁the ▁present ▁theorem ." ▁ ▁References ▁ ▁Further ▁reading ▁ ▁Herbert ▁Hung er , ▁" J oh annes ▁Ch ort as men os ▁( ca . ▁ 1 3 7 0 - ca . ▁ 1 4 3 6 / 3 7 ). ▁Br ie fe , ▁Ged ichte ▁und ▁Kle ine ▁Sch riften . ▁Ein leitung , ▁Reg esten , ▁Pro s op ographie , ▁Text ", ▁Wiener ▁By z antin ische ▁Studien ▁ 7 , ▁V ienne ▁( Aut ric he ), ▁ 1 9 6 9 . ▁ ▁Category : 1 3 7 0 ▁birth s ▁Category : 1 4 3 7 ▁death s ▁Category : 1 4 th - century ▁By z antine ▁people ▁Category : 1 5 th - century ▁By z antine ▁people ▁Category : 1 4 th - century ▁By z antine ▁mon ks ▁Category : By z antine ▁astronom ers ▁Category : 1 5 th - century ▁By z antine ▁scient ists ▁Category : 1 4 th - century ▁By z antine ▁scient ists ▁Category : 1 5 th - century ▁By z antine ▁writers ▁Category : 1 5 th - century ▁astronom ers ▁Category : 1 5 th - century ▁mathemat icians <0x0A> </s> ▁Al ph ard ▁is