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English
Cambridge University Press
18 September 2025
William of Ockham's Summa Logicae (The Sum of Logic), composed in the mid-1320s, is a major work in the history of Western philosophy. It was highly influential for several centuries following its appearance. Ostensibly a textbook on logic, the work is an essential resource for understanding Ockham's philosophical project at large and contains numerous innovative ideas about thought, language, and ontology that are now attracting much interest in contemporary philosophy. Despite an abundant growth in Ockham scholarship in recent decades, this Critical Guide is the first collection of essays to be devoted to the Summa Logicae. The volume covers a wide range of topics, including nominalism, metalanguage, modes of signifying, Ockham's theory of the categorical syllogism, and modal logic. It provides both fresh perspectives on existing debates and new contributions on topics that have not yet entered mainstream scholarship on Ockham.
Edited by:   ,
Imprint:   Cambridge University Press
Country of Publication:   United Kingdom
ISBN:   9781009288767
ISBN 10:   1009288768
Series:   Cambridge Critical Guides
Pages:   328
Publication Date:  
Audience:   General/trade ,  ELT Advanced
Format:   Hardback
Publisher's Status:   Active

Claude Panaccio is Emeritus Professor of Philosophy at Université du Québec à Montréal, Canada. He is the author of Ockham on Concepts (2004), Mental Language: From Plato to Ockham (English translation, 2017), and Ockham's Nominalism (2023). Jenny Pelletier is Assistant Professor of Philosophy at the University of Leuven, Belgium. She is the author of Ockham on Metaphysics: The Science of Being and God (2013).

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