"The philosophy of Gassendi" by George Sidney Brett is a scholarly study of philosophy written in the early 20th century. It reassesses Pierre Gassendi’s system—logic, physics, and ethics—within the lineage of ancient atomism and its early modern revival, aiming to correct his neglect and clarify his influence. The work synthesizes Gassendi’s vast Syntagma and related writings, situating him among Epicurus, Democritus, Aristotle, and Descartes to show his empirical, pluralist alternative to dominant idealisms.The opening of the book sets out Brett’s purpose: to condense Gassendi’s sprawling scholarship into a clear, reliable account and to restore his place in the history of philosophy, favoring breadth, concreteness, and empirical restraint over Cartesian abstraction. It provides a bibliography and a detailed catalogue of Gassendi’s works, then traces the background from Leucippus and Democritus to Epicurus—marking shifts from Eleatic roots to atomist pluralism, from Democritean mechanics to Epicurean canons, swerve, material psychology, and ethics-first method. Brett sketches the early modern context of science challenging dogma, outlines Gassendi’s life and character, and positions him as a moderate critic of Aristotelianism and Descartes who builds a comprehensive, experience-based system. In Part I (Logic), the summary highlights Epicurean-inspired criteria—sensation, anticipations, and feelings—asserting sense as the starting point, opinions testable by experience, and…
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