Note 32 — Chapter VII · SYSTEMS OF CO-ORDINATES AND DISTANCE
Reading edition
It is necessary to make this distinction for a space may be flat and yet only semi-Euclidean, as will be understood in later chapters when discussing space-time.
Reading edition
It is necessary to make this distinction for a space may be flat and yet only semi-Euclidean, as will be understood in later chapters when discussing space-time.