← euclid / The Thirteen Books of Euclid’s Elements Volume.III ← Prev Next → VOLUME III: BOOKS X–XIII AND APPENDIX¶ THE THIRTEEN BOOKS OF EUCLID’S ELEMENTS TRANSLATED FROM THE TEXT OF HEIBERG WITH INTRODUCTION AND COMMENTARY SIR THOMAS L. HEATH, SECOND EDITION REVISED WITH ADDITIONS VOLUME III CONTENTS OF VOLUME III. BOOK X. INTRODUCTORY NOTE. DEFINITIONS. DEFINITIONS II. DEFINITIONS III. BOOK X. PROPOSITIONS. ANCIENT EXTENSIONS OF THE THEORY OF BOOK X. BOOK XI. DEFINITIONS. BOOK XI. PROPOSITIONS. BOOK XII. HISTORICAL NOTE. BOOK XII. PROPOSITIONS. BOOK XIII. HISTORICAL NOTE. BOOK XIII. PROPOSITIONS. APPENDIX. I. THE CONTENTS OF THE SO-CALLED BOOK XIV. BY HYPSICLES. II. NOTE ON THE SO-CALLED “BOOK XV.” GENERAL INDEX OF GREEK WORDS AND FORMS. GENERAL INDEX. [The references are to volumes and pages.]