Quotation by Carl G. Hempel

Let us note here that the same formal analysis ... applies to scientific prediction as well as to explanation. The difference between the two is of a pragmatic character. If E is given, i.e., if we know that the phenomenon described by E has occurred, and a suitable set of statements C1, C2, ... Ck, L1, L2, ... Lr is provided afterwards, we speak of an explanation of the phenomenon in question. If the latter statements are given and E is derived prior to the occurrence of the phenomenon it describes, we speak of a prediction.
Carl G. Hempel (b. 1905), U.S. philosopher of science, logical positivist, and Paul Oppenheim. repr. In C.G. Hempel, Aspects of Scientific Explanation, pp. 245-295 (1965). Originally appeared in Philosophy of Science XV, "Studies in the Logic of Explanation," (1948).

The famous statement of the "symmetry thesis" regarding scientific explanations and scientific predictions.
Surprise me with a
The Columbia World of Quotations © 1996, Columbia University Press.
Licensed from Columbia University Press. All rights reserved. Except as otherwise permitted by written agreement, the following are prohibited: copying substantial portions or the entirety of the work in machine readable form, making multiple printouts thereof, and other uses of the work inconsistent with U.S. and applicable foreign copyright and related laws.
Copyright ©  2015 Dictionary.com, LLC. All rights reserved.
About PRIVACY POLICY Terms Careers Contact Us Help