Euclid and His Modern Rivals is a mathematical book by the British mathematician Charles Lutwidge Dodgson, known under his literary pseudonym "Lewis Carroll." T

Euclid and His Modern Rivals, while humorously executed, is deeply serious in its convictions surrounding Euclid's teachings of elementary geometry.

Twentieth-century developments in logic and mathematics have led many people to view Euclid's proofs as inherently informal, especially due to the use of diagra