Mach, E. The economical nature of physics.--Campbell, N. Definition of a theory.--Carnap, R. Testability and meaning.--Braithwaite, R. B. The nature of theoretical concepts and the role of models in an advanced science.--Hempel, C. G. The empiricist criteria of cognitive significance: problems and changes.--Scheffler, I. Prospects of a modest empiricism, I.--Smart, J. J. C. The reality of theoretical entities.--Maxwell, G. Theories, frameworks, and ontology.--Putnam, H. What theories are not.--Jeffrey, R. C. Review of Putnam.--Hanson, N. R. Observation.--Feyerabend, P. K. On the interpretation of scientific theories.--Quine, W. V. O. Posits and reality. Achinstein, P. On meaning-dependence.--Feyerabend, P. K. On the "meaning" of scientific terms.--Bibliographical essay (p. [184])

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