CONTENTS: I. Empiricism and Ontology. 1. Carnap. 2. Quine. 3. Quine. 4. Sellars. 5. Putnam. II. Empiricism and Science. 6. Popper. 7. Feyerabend. 8. Feyerabend. 9. Kuhn. 10. Hesse. III. Empiricism and Linguistics. 11. Chomsky, Putnam, Goodman. 12. Quine. 13. Edgeley. 14. Fodor. 15. Chomsky.