Anselm of Canterbury (1033-1109) was the outstanding philosopher-theologian of the Latin West between Augustine and the thirteenth century. As a public figure, especially as Archbishop of Canterbury, he corresponded with kings and nobles, popes and bishops, in letters that reveal a fascinating personality and flesh out the practical dimensions of his theoretical philosophy. He wrote at a time when a renewed interest in logic encouraged careful and rigorous argumentation, but before the recovery of Aristotle filled the philosophical discourse with difficult technical jargon, making for writing that is unrivalled for its lucidity and accessibility. He offers the first clear account of what we now call a libertarian view of free will, according to which free choices cannot be determined by the agent's internal states or by external influences. His famous 'ontological argument' for the existence of God continues to generate discussion, debate, and puzzlement. His understanding of God is rightly regarded as one of the definitive expressions of classical theism or perfect-being theology, which remains influential in philosophy of religion and analytic theology. His account of the Atonement is one that every theologian to this day still grapples with. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

Two lengthy letters from the abbot of Clairvaux illuminate the transition in theological method in the mid twelfth-century. In this letter to the bishop of Sens on the responsibilities of his office, Bernard articulates his monastic conviction that authority in the Church must be accompanied by contemplative virtues, especially a deeply ingrained humility. Pastors who do attend to their own spiritual health, he explains, are incapable of caring for others. In his letter of baptism, written to Hugh of Saint Victor, Bernard seeks to refute what he considered the doctrinal error of an unnamed scholar-likely Peter Abelard-and assails a theological method he deemed likely to mislead the faithful, because-as Emero Stiegman says in the Introduction-he considered all theological questions 'in the perspective of God's love'. These two letter-treatises (42 and 77) are not included in Bruno Scott James' English translation of The Letters of Saint Bernard of Clairvaux.

The great Franciscan theologian St. Bonaventure (c.1217-74) engaged in philosophy as well as theology, and the relation between the two in Bonaventure's work has long been debated. Yet, few studies have been devoted to Bonaventure's thought as a whole. In this survey, Christopher M. Cullen reveals Bonaventure as a great synthesizer, whose system of thought bridged the gap between theology and philosophy. The book is organized according to the categories of Bonaventure's own classic text, De reductione artium ad theologiam. Cullen follows Bonaventure's own division of the branches of philosophy and theology, analyzing them as separate but related entities. He shows that Bonaventure was a scholastic, whose mysticism was grounded in systematic theological and philosophical reasoning. He presents a fresh and nuanced perspective on Bonaventure's debt to Augustine, while clarifying Aristotle's influence. Cullen also puts Bonaventure's ideas in context of his time and place, contributing significantly to our understanding of the medieval world. This accessible introduction provides a much-needed overview of Bonaventure's thought. Cullen offers a clear and rare reading of "Bonaventurianism" in and for itself, without the complications of critique and comparison. This book promises to become a standard text on Bonaventure, useful for students and scholars of philosophy, theology, medieval studies, and the history of Christianity.

Ibn Sina (980-1037), known as Avicenna in Latin, played a considerable role in the development of both Eastern and Western philosophy and science. His contributions to the fields of logic, natural science, psychology, metaphysics, theology, and even medicine were vast. His work was to have a significant impact on Thomas Aquinas, among others, who explicitly and frequently drew upon the ideas of his Muslim predecessor. Avicenna also affected the thinking of the great Islamic theologian al-Ghazali, who asserted that if one could show the incoherence of Avicenna's thought, then one would have demonstrated the incoherence of philosophy in general. But Avicenna's influence is not confined to the medieval period. His logic, natural philosophy, and metaphysics are still taught in the Islamic world as living philosophy, and many contemporary Catholic and evangelical Christian philosophers continue to encounter his ideas through Aquinas's work. Using a small handful of novel insights, Avicenna not only was able to address a host of issues that had troubled earlier philosophers in both the ancient Hellenistic and medieval Islamic worlds, but also fundamentally changed the direction of philosophy, in the Islamic East as well as in Jewish and Christian milieus. Despite Avicenna's important place in the history of ideas, there has been no single volume that both recognizes the complete range of his intellectual activity and provides a rigorous analysis of his philosophical thinking. This book fills that need. In Avicenna Jon McGinnis provides a general introduction to the thinker's intellectual system and offers a careful philosophical analysis of major aspects of his work in clear prose that will be accessible to students as well as to specialists in Islamic studies, philosophy, and the history of science.

Al-Kindi was the first philosopher of the Islamic world. He lived in Iraq and studied in Baghdad, where he became attached to the caliphal court. In due course he would become an important figure at court: a tutor to the caliph's son, and a central figure in the translation movement of the ninth century, which rendered much of Greek philosophy, science, and medicine into Arabic. Al-Kindi's wide-ranging intellectual interests included not only philosophy but also music, astronomy, mathematics, and medicine. Through deep engagement with Greek tradition al-Kindi developed original theories on key issues in the philosophy of religion, metaphysics, physical science, and ethics. He is especially known for his arguments against the world's eternity, and his innovative use of Greek ideas to explore the idea of God's unity and transcendence. Despite al-Kindi's historical and philosophical importance no book has presented a complete, in-depth look at his thought until now. In this accessible introduction to al-Kindi's works, Peter Adamson surveys what is known of his life and examines his method and his attitude towards the Greek tradition, as well as his subtle relationship with the Muslim intellectual culture of his day. Above all the book focuses on explaining and evaluating the ideas found in al-Kindi's wide-ranging philosophical corpus, including works devoted to science and mathematics. Throughout, Adamson writes in language that is both serious and engaging, academic and approachable. This book will be of interest to experts in the field, but it requires no knowledge of Greek or Arabic, and is also aimed at non-experts who are simply interested in one of the greatest of Islamic philosophers.

John Buridan (ca. 1300-1362) has worked out perhaps the most comprehensive account of nominalism in the history of Western thought, the philosophical doctrine according to which the only universals in reality are "names": the common terms of our language and the common concepts of our minds. But these items are universal only in their signification; they are singular entities like any other in reality. This book examines what is most intriguing to contemporary readers in Buridan's medieval philosophical system: his nominalist account of the relationship between language, thought and reality. The main focus of the discussion is Buridan's deployment of the Ockhamist conception of a "mental language" for mapping the complex structures of written and spoken human languages onto a parsimoniously construed reality. Concerning these linguistic structures, this book carefully analyzes Buridan's conception of the radical conventionality of written and spoken languages, in contrast to the natural semantic features of concepts. The discussion pays special attention to Buridan's token-based semantics of terms and propositions, his conception of existential import, ontological commitment, truth, and logical validity. Finally, the book presents a detailed discussion of how these logical devices allow Buridan to maintain his nominalist position without giving up Aristotelian essentialism or yielding to skepticism, and pays special attention to contemporary concerns with these issues.

Overview: This work draws on recent scholarship situating John Wyclif in his fourteenth-century milieu to present a survey of his thought and writings as a coherent theological position arising from Oxford's "Golden Age" of theology. It takes into account both Wyclif's earlier, philosophical works and his later works, including sermons and Scripture commentary. Wyclif's belief that Scripture is the eternal and perfect divine word, the paradigm of human discourse and the definitive embodiment of truth in creation is central to an understanding of the ties he believes relate theoretical and practical philosophy to theology. This connection links Wyclif's interest in the propositional structure of reality to his realism, his hermeneutic program, and to his agenda for reform of the Church.