Saya mau tau Lihat pula dari Giuseppe Peano

Arithmetices principia, nova methodo exposita

Ferreirós, José, 2005. "R. Dedekind, Was Sind und Was Sollen die Zahlen? (1888), G. Peano, Arithmetics Principia, Nova Methodo Exposita (1889)". Pag. 613-626 of Landmark Writings in Western Mathematics 1640-1940, ed. I. Grattan-Guinness. Amsterdam, Elsevier, 2005.