The Elements of Euclid, Viz; The First Six Books: Together with the Eleventh and Twelfth; The Errors, by Which Theon, Or Others, Have Long Ago Vitiated These Books, Are Corrected, and Some of Euclid's Demonstrations Are Restored; Also, the Book of Euclid'

Excerpt from The Elements of Euclid, Viz; The First Six Books: Together With the Eleventh and Twelfth; The Errors, by Which Theon, or Others, Have Long Ago Vitiated These Books, Are Corrected, and Some of Euclid's Demonstrations Are Restored; Also, the Book of Euclid's Data, in Like Manner Corrected

In this edition, Ptolemy's Proposition concerning a property of quadrilateral figures in a circle, is added at the end of the sixth Book. Also the Note on the 29th Proposition, Book 1st, is altered, and made more ex plicit, and a more general Demonstration is given, in stead of that which was in the Note on the l0th Defi nition of Book 11th; besides, the Translation is much amended by the friendly assistance of a learned gen tleman.

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