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Tertium Organum by P.D. Ouspensky
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by P.D. Ouspensky
Publisher: Manas Press 1920
Number of pages: 382
This book takes concentration to read - So do most books concerning logic and mathematics. However, it is well worth the effort and time. Anyone trying to understand the nature of the universe and cosmic consiousness will find this book to be most insightful and helpful.