Includes bibliographical references and index.

Preliminary Material / Gerardo Botteri and Roberto Casazza -- Copyright page / Gerardo Botteri and Roberto Casazza -- Epigraph / Gerardo Botteri and Roberto Casazza -- Dedication / Gerardo Botteri and Roberto Casazza -- Acknowledgements to the Original Spanish Edition / Gerardo Botteri and Roberto Casazza -- Acknowledgements for this Translated Edition / Gerardo Botteri and Roberto Casazza -- Notes on the Authors / Gerardo Botteri and Roberto Casazza -- Prologue / Horacio González -- Abbreviations / Gerardo Botteri and Roberto Casazza -- Illustrations / Gerardo Botteri and Roberto Casazza -- Introduction / Gerardo Botteri and Roberto Casazza -- Chapter 1 The Spherical, Limited, and Hierarchical Cosmology of Aristotle / Gerardo Botteri and Roberto Casazza -- Chapter 2 The Spherical Whole in Pre-Socratic Philosophy / Gerardo Botteri and Roberto Casazza -- Chapter 3 The Platonic Mandate: Reducing Celestial Phenomena to Circular Motions / Gerardo Botteri and Roberto Casazza -- Chapter 4 Eudoxus and Callippus: Planetary Models / Gerardo Botteri and Roberto Casazza -- Chapter 5 Aristotle's Astronomical System / Gerardo Botteri and Roberto Casazza -- Chapter 6 Metaphysics, Λ, 8 and the Genetic Interpretation / Gerardo Botteri and Roberto Casazza -- Chapter 7 Aristotle's Meta-Astral Theology / Gerardo Botteri and Roberto Casazza -- Chapter 8 The Animation of Celestial Bodies / Gerardo Botteri and Roberto Casazza -- Chapter 9 Aristotle's System in Perspective / Gerardo Botteri and Roberto Casazza -- Appendix 1 Astronomical Fragments / Gerardo Botteri and Roberto Casazza -- Appendix 2 Eudoxus's System: Additional Resources (Year 2023) / Gerardo Botteri and Roberto Casazza -- Appendix 3 The Grupo de Estudio del Cielo / Gerardo Botteri and Roberto Casazza -- Sources / Gerardo Botteri and Roberto Casazza -- Bibliography / Gerardo Botteri and Roberto Casazza -- Subject Index / Gerardo Botteri and Roberto Casazza -- Author Index / Gerardo Botteri and Roberto Casazza.

This book shows that a rigorous study of Aristotle's Metaphysics is not simply an exercise in the history of astronomy, but constitutes a broad inquiry into our germinal ideas about speed, motion, and the spherical nature of celestial entities, as well as the relation between theology and gnoseology. Many have heard of Aristotle's First Unmoved Mover, the one that moves all things without being moved. Very few, however, have managed to capture the ultimate meaning of that entity. One of the goals of this book is to explore why the existence of such a First Unmoved Mover is necessary, but the journey to this end allows us to understand why Aristotle maintained that there are a total of 55 Unmoved Movers, not just one. The key is Aristotelian astronomy, little studied so far in comparison with other aspects of his thought. In this solid piece of research and free philosophical speculation that Botteri & Casazza offer us, the authors' gaze raised to the sky-by means of the naked-eye analysis of celestial movements-leads to the reconstruction of Aristotle's astronomical system, key to understanding his cosmology, his physics, and even his metaphysics. This book is a revised English translation from the original Spanish publication El sistema astronómico de Aristoteles: Una interpretación, published by Ediciones Biblioteca Nacional, Buenos Aires, 2015.

English