In clear, easy-to-grasp language, the author covers many of the topics that you will need to know in order to launch and run a successful business venture.
This single-volume compilation of 2 books, "Proof in Geometry" and "Mistakes in Geometric Proofs, " explores the construction of geometric proofs. In addition to offering useful criteria for determining correctness, it presents examples of faulty proofs that illustrate common errors. High school geometry is the sole prerequisite. 1963 editions.
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