The 47th Proposition of Euclid is a book written by Francis Mayer. The book delves into the history and significance of Euclid's 47th proposition, also known as the Pythagorean theorem. It explores the origins of the theorem and its use in various fields, including mathematics, science, and engineering. The author also discusses the cultural and historical context surrounding the theorem, including its use by ancient Greek philosophers and its influence on modern-day mathematics. The book is written in an accessible style, making it suitable for both students and professionals in the field of mathematics. Overall, The 47th Proposition of Euclid is a comprehensive and informative exploration of one of the most important mathematical concepts in history.Originally printed serially in the early 1920's by an Esoteric order, this magnificent work is the product of the Masonic Rosicrucian movement that permeated the early 20th century. Dr. Mayer 32nd Degree, IX Degree, was a Masonic historian and Rosicrucian adept who devoted many years in accumulating the material needed to write this in-depth analysis of the 47th Proposition of Euclid. This work includes an examination of Pythagorean numerology and that of the Platonist which ties the whole Proposition into the Tracing Board of the Grand Architect. The basic formula of the 3, 4, 5 is illustrated in the Heavens as well as being a simple formula of construction. This book is written for the Masonic and Rosicrucian student who desires to discover the Divine Truths inherent in this Great Problem.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.