Book of Qi was originally only known as the "Book of Qi", but after the "Book of Northern Qi" was written, it became known as the "Book of Southern Qi" so that the two could be distinguished. The book contained 60 volumes when written, but one preface was later lost. The format of the text is similar to previous standard histories, with volumes that include annals, treatises, and biographies. Volumes 1 to 8 are annals covering the emperors of the dynasty starting with Emperor Gao in volumes 1 and 2. Some short lived rulers that were not given the posthumous title of emperor
What Is Mathematics? Expectations" by Charles Dickens. According to Constance Reid, Courant finalized the title after a conversation with Thomas Mann. What Is Mathematics? What Is Mathematics? is a mathematics book written by Richard Courant and Herbert Robbins, published in England by Oxford University Press. It is an introduction to mathematics, intended both for the mathematics student and for the general public. First published in 1941, it discusses number theory, geometry, topology and calculus. A second edition was published in 1996 with an additional chapter on recent progress in mathematics, written by Ian Stewart. The book was based on Courant's course material. Although