Richard Jeffrey

Richard C. Jeffrey
BornAugust 5, 1926
DiedNovember 9, 2002
Education
Alma materPrinceton University
Philosophical work
Era20th-century philosophy
RegionWestern philosophy
SchoolAnalytic philosophy
Main interestsDecision theory, epistemology
Notable ideasRadical probabilism, Jeffrey conditioning, truth tree method for syllogism testing

Richard Carl Jeffrey (August 5, 1926 – November 9, 2002) was an American philosopher, logician, and probability theorist. He is best known for developing and championing the philosophy of radical probabilism and the associated heuristic of probability kinematics, also known as Jeffrey conditioning.