This 2001 book provides a sophisticated and detailed Aristotelian analysis of our concept of natural functions.

Acknowledgements; Part I. Functions and Intentions: 1. Introduction; 2. The problem of teleology; 3. Intentions and the functions of artifacts; Part II. The Analysis of Functional Explanation: 4. Basic positions in philosophy of science: Hempel and Nagel; 5. The etiological view; 6. The dispositional view; Part III. Self-Reproducing Systems: 7. Artifacts and organisms; 8. Feedback mechanisms and their beneficiaries; 9. Having a good; 10. What functions explain; Notes; Bibliography; Index.