Sacred Signs, Numbers, Symbols. Quadrivium. Mysteries of Medieval Science

This unique edition is simultaneously an illustrated reference book, a study of ancient books and works of art, a collection of popular science articles, and spiritual-philosophical essays. In terms of breadth and depth of coverage on the subject, this book, created by the labor of an international team of authors, is unparalleled among publications in
the Russian language over the past 100 years.
The principles of the Quadrivium were first formulated by the ancient Greek thinker Pythagoras of Samos in the sixth century BC. The Quadrivium includes the following disciplines: Numerology (Arithmetic); Geometry — or Number in Space; Music (Harmony) — Number in Time; Cosmology — Number in Time and Space. These sciences provide a sincere seeker with a timeless and wise opportunity to gain an understanding of the structure of the universe and to realize themselves as an integral part of it.