geometrical object
81Plato — For other uses, see Plato (disambiguation) and Platon (disambiguation). Plato (Πλάτων) …
82Wassily Kandinsky — Wassily Kandinsky, c. 1913 or earlier Birth name Wassily Wassilyevich Kandinsky Born 16 December [O.S. 4 December] 1866 Moscow …
83Nous — For the philosophy journal, see Noûs. Philosophy …
84Number — For other uses, see Numbers (disambiguation). A number is a mathematical object used to count and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational… …
85Scientific method — …
86Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …
87History of wood carving — From the remotest ages the decoration of wood has been a foremost art. The tendency of human nature has always been to ornament every article in use. The North American Indian carves his wooden fish hook or his pipe stem just as the Polynesian… …
88nature, philosophy of — Introduction the discipline that investigates substantive issues regarding the actual features of nature as a reality. The discussion here is divided into two parts: the philosophy of physics and the philosophy of biology. In this… …
89Iranian pottery — Pottery vessel, fourth millennium B.C. The Sialk collection of Tehran s National Museum of Iran …
90Greek arithmetic, geometry and harmonics: Thales to Plato — Ian Mueller INTRODUCTION: PROCLUS’ HISTORY OF GEOMETRY In a famous passage in Book VII of the Republic starting at Socrates proposes to inquire about the studies (mathēmata) needed to train the young people who will become leaders of the ideal… …
