Carnap, Rudolf — Logical Foundations of Probability

Chicago, The University of Chicago Press, 1950, first edition, cloth, 8vo, xvii+607 pp., a clarification of the notion of probability and the construction of a (then) new theory of probability on a logically sound basis; model of inductive metohd; RARE first edition in a very good condition (binding undamaged, spine a bit discolored; interior clean, no stamps, no annotations)