The Arithmetical Philosophy Of Nicomachus Of Gersa is a book written by George Johnson and published in 1916. The book is a comprehensive study of the mathematical and philosophical works of Nicomachus of Gersa, a Greek philosopher and mathematician who lived in the second century AD. The book discusses Nicomachus' views on the nature of numbers, their properties, and their relationships with each other. It also explores his ideas on the harmony and...