Archives of Scientific Philosophy: The Richard C. Jeffrey Papers
363 Hillman Library
3960 Forbes Avenue
Pittsburgh, PA 15260
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Richard Jeffrey, an American philosopher, logician, and probability theorist, represents one of the most influential philosophers working in decision theory. He was also a major advocate of developing and securing the heritage of logical empiricism, himself championing 'radical probabilism', a view that denies objective probability and abandons attempts to analyze judgment into a rational and an empirical component.
The Jeffrey Papers include biographical material, correspondence, research and lecture notes, teaching documents, and drafts of published and unpublished writings by Jeffrey and others. Series I comprises biographical information. Included in the correspondence series (Series II) are extensive exchanges with Jeffrey's close colleagues, teachers, friends, and collaborators such as Rudolf Carnap, Carl Gustav Hempel, and Brian Skyrms. Materials in the research series (Series III) range from sketchy outlines, typescripts and documents reflecting Jeffrey's collaborations with Carnap, to numerous grant proposals and projects that are indicative of Jeffrey's research interests at the time. Series IV focuses on Jeffrey's writings and publications including manuscript drafts, lecture notes, and his editorial work, which centers mainly on the publication of Hempel's Selected Philosophical Essays. Series V covers material from Jeffrey's teaching activities, such as syllabi, teaching notes, reading lists, and exams. Series VI contains writings by others in form of unpublished drafts or annotated published pieces.