The Thirteen Books of Euclid's Elements (Google eBook)Often called the Father of Geometry, Euclid was a Greek mathematician living during the reign of Ptolemy I around 300 BC. Within his foundational textbook "Elements," Euclid presents the results of earlier mathematicians and includes many of his own theories in a systematic, concise book that utilized meticulous proofs and a brief set of axioms to solidify his deductions. In addition to its easily referenced geometry, "Elements" also includes number theory and other mathematical considerations. For 23 centuries, this work was the primary textbook of mathematics, containing the only possible geometry known by mathematicians until the late 19th century. Today, Euclid's "Elements" is acknowledged as one of the most influential mathematical texts in history. This volume includes all thirteen books of Euclid's "Elements" and is translated by Thomas Heath. 
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Review: Great Books of the Western World
User Review  Garrett Starr  GoodreadsI have always wanted this collection, but over the years I purchased other books instead. When our church moved into our current digs, this entire collection was hidden away in a back room and covered ... Read full review
Review: The Thirteen Books of the Elements, Vol. 1 (The Elements #1)
User Review  Kellie  GoodreadsI read this, "proved" most of the propositions, and understood about 1/3 of it. Read full review
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AC is equal angle ABC angle BAC apotome binomial straight line bisected centre circle ABCD circle EFGH circumference commensurable in length commensurable in square cone continued proportion cylinder diameter double equal angles equiangular equilateral equimultiples given straight line gnomon height irrational straight line joined least number less Let ABC let the square magnitudes measures the number medial area medial straight line multiplying number measured parallelepipedal solids parallelogram pentagon plane of reference polygon prisms Proposition 13 proved q. e. d. Proposition ratio triplicate rational and incommensurable rational straight line rectangle AC rectangle contained remaining angle right angles side sphere square number squares on AC straight line AC straight lines commensurable subtracted triangle ABC twice the rectangle