Steven French

Mary Hesse was one of the most significant figures in 20th Century history and philosophy of science, not only because of her academic research, but also for the role she played in further developing and enhancing the field at the institutional level. She was instrumental in the formation of the Division of History and Philosophy of Science at the University of Leeds, where she was a lecturer in mathematics, before she moved to University College, London and from there to the Dept. of History and Philosophy of Science at Cambridge where she was eventually appointed to a Professorship. She was not only Vice-President of the British Society for the History of Science and President of the Philosophy of Science Association, as well as being elected to the British Academy, but was also Editor of the British Journal for the Philosophy of Science during a time of considerable change for the field as a whole. This is the introduction to a selection of her papers, together with some notable responses, from the pages of the British Journal for Philosophy of Science.

In this paper I begin with a recent challenge to the Semantic Approach and identify an underlying assumption, namely that identity conditions for theories should be provided. Drawing on previous work, I suggest that this demand should be resisted and that the Semantic Approach should be seen as a philosophical device that we may use to represent certain features of scientific practice. Focussing on the partial structures variant of that approach, I then consider a further challenge that arises from a concern with the role of idealisations in that practice. I argue that the partial structures approach is capable of meeting this challenge and I conclude with some broader observations about the role of such formal accounts within the philosophy of science.

The positivistic Received View construed scientific theories syntactically as axiomatic calculi where theoretical terms were given a partial semantic interpretation via correspondence rules connecting them to observation statements. This paper assesses what, with hindsight, seem the most important defects in the Received View; surveys the main proposed successor analyses to the Received View—various Semantic Conception versions and the Structuralist Analysis; evaluates how well they avoid those defects; examines what new problems they face and where the most promising require further development or leave unanswered questions; explores implications of recent work on models for understanding theories; and rebuts the few criticisms of the Semantic Conception that have surfaced.

In Science and Partial Truth it was argued that inconsistencies in scientific reasoning may be accommodated by the combination of partial structures and quasi-truth, together with a notion of ‘representational belief’. In this paper I shall examine whether this framework can be extended to the reasonings and beliefs of other cultures, focusing in particular on the witchcraft beliefs of Azande. I shall argue that these beliefs are akin to the theoretical beliefs of Western science but that the most appropriate way of representing the latter — and hence also the former — is via the framework of partial structures and quasi-truth. In this way I hope to steer a plausible path between ‘imperialist’ and ‘relativist’ approaches.

The Bloomsbury Companion to the Philosophy of Science presents a practical and up-to-date research resource to the philosophy of science. Addressing fundamental questions asked by discipline - areas that have continued to attract interest historically, as well as recently-emerging areas of research - this volume provides a comprehensive and up-to-date overview of the philosophy of science. Specially-commissioned essays from an international team of experts reveal where important work continues to be done in the area and the exciting new directions the field is taking. The Companion explores issues pertaining to the philosophy of specific sciences (physics, biology, neuroscience, economics, chemistry and mathematics) and general issues in the field, such as explanation, realism, representation, evidence, reduction, laws, causation and confirmation. Featuring a series of indispensable research tools, including an A to Z of key terms and concepts, a chronology, a detailed list of resources and a fully annotated bibliography, The Bloomsbury Companion to the Philosophy of Science the essential reference tool for anyone working in philosophy of science today.