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Evolutionary theory has long been debated, not only on religious grounds, but in terms of its usefulness as a scientific model. A common objection is that the theory does not fit the hypothetical-deductive standard used in the physical sciences and is therefore not good science. In this study, Lloyd contends with the scientific and philosophical critics of evolutionary theory. Employing the same type of semantic analysis that has been applied to physical theory, she offers an alternative view of evolutionary theory that shows biological and physical theories to be structurally similar....

Traditionally a scientific theory is viewed as based on universal laws of nature that serve as axioms for logical deduction. In analyzing the logical structure of evolutionary biology, Elisabeth Lloyd argues that the semantic account is more appropriate and powerful. This book will be of interest to biologists and philosophers alike.