Euclid's Elements Euclid's Elements The Elements ( "Stoicheia") is a mathematical treatise consisting of 13 books attributed to the ancient Greek mathematician Euclid in Alexandria, Ptolemaic Egypt c. 300 BC. It is a collection of definitions, postulates, propositions (theorems and constructions), and mathematical proofs of the propositions. The books cover plane and solid Euclidean geometry, elementary number theory, and incommensurable lines. "Elements" is the oldest extant large-scale deductive treatment of mathematics. It has proven instrumental in the development of logic and modern science, and its logical rigor was not surpassed until the 19th century. Euclid's "Elements" has been referred to as the
During the Reign of the Queen of Persia teens, the second regresses back to their childhood, and the third see the sale of the family farm and the dispersal of the family. The book drew comparisons to the works of Anne Tyler, Marilynne Robinson, Douglas Unger and Susan Engberg. During the Reign of the Queen of Persia During the Reign of the Queen of Persia is the first novel by American author Joan Chase. On its publication in 1983 it won the Hemingway Foundation/PEN Award. The story is told from the perspective of the four granddaughters of the "Queen of Persia", an Ohio farmwife, during the 1950s. The