Taking reduction in the traditional deductive sense, the programmatic claim that most of genetics can be reduced by molecular genetics is defended as feasible and significant. Arguments by Ruse and Hull that either the relationship is replacement or at best a weaker form of reduction are shown to rest on a mixture of historical and logical confusions about the nature of the theories involved.

This paper argues for the importance of approaching medicine, as a theoretical science, through values. The normative concepts of benefit and harm are held to provide a framework for the analysis of medicine which reflects the obligations of the doctor-patient relationship, suffices to define the key concept of medical relevance, yields a general necessary condition for the basic concepts of medicine, explains the role of such nonnormative conceptions as discomfort, dysfunction, and incapacity, and avoids the mistakes of other normative approaches (...) which hold that unhealthy conditions are disvaluable or should be treated. Neutralist analyses are criticized, especially those approaching health through proper functioning. (shrink)

Adolf Grünbaum, [1], and Philip Quinn, [7], have proposed two problems as sharpened versions of theses suggested by Pierre Duhem. Can an hypothesis which in itself has no observational consequences ever be falsified by the evidence? When a theory has observational consequences only in conjunction with auxiliary hypotheses and some of these consequences fail, can the theory always be reasonably defended by constructing alternative auxiliary hypotheses?