ELISHA S. LOOMIS, — The Pythagorean Proposition: Its Demonstrations Analyzed & Classified & Bibliography of Sources for Data of the Four Kinds of Proofs.

Sacred Science Institute, 2006. 4to - over 9¾ - 12" tall, Hardcover, Hard Cover Maroon Suede Guilt, No Jacket, New. ¶ Exact Facsimile Reprint of Original Edition Published: 1940, 284p. Contents: Rules for Finding Integral Values for A,B,& H; 4 Methods of Proof; Algebraic Proofs Through Linear Relations; Mean Proportion Principle; Through Use of Circle; Ratio of Areas; Theory of Limits; Algebraic-Geometric Complex; Through Similar Polygons; 10 Types of Proofs; One or More Squares Translated Giving 7 Classes Covering 19 Different Cases; Why No Trigonometric, Analytic Geometric Nor Calculus Proof Possible; Quaternionic Proofs; Dynamic Proofs. Pythagorean Magic Squares.