Fundamentals of concept formation in empirical science
Hempel, Carl G.
Fundamentals of concept formation in empirical science Carl G. Hempel - Chicago University of Chicago Press 1972 - iii,93p.; 22cm.- - International encyclopedia of unified science : foundation of the unity of science .
502 / HEM
Fundamentals of concept formation in empirical science Carl G. Hempel - Chicago University of Chicago Press 1972 - iii,93p.; 22cm.- - International encyclopedia of unified science : foundation of the unity of science .
502 / HEM