Editor/Translators:Han Baltussen is Associate Professor of Classics and Ancient Thought at the University of Adelaide, Australia, and the author of Theophrastus Against the Presocratics and Plato: Peripatetic Dialectic in the De sensibus (2000). Michael Atkinson is a former teacher of Classics at Eton College, UK. Michael Share is Honorary Research Fellow at the School of History & Classics, University of Tasmania. Ian Mueller was Professor of Philosophy at the University of Chicago, USA.

• Introduction Richard Sorabji 1 Conventions 13 Abbreviations 14 Translation: 1.5-6 15 1.5 Han Baltussen 17 1.6 Michael Share and Michael Atkinson 30 Departures from Diels’ Text and Bibliography 50 Notes 53 English-Greek Glossary 65 Greek-English Index 71 Subject Index 79 Memorial notice 85 Translation: 1.7-9 Ian Mueller 87 Notes 145 English-Greek Glossary 157 Greek-English Index 161 Subject Index 166