Published online by Cambridge University Press: 01 April 2022
Hacking argues against van Fraassen's constructive empiricism by appeal to features of microscopic imaging. Hacking relies on both our practices involving imaging instruments and the structure of the images produced by these micropractices. Van Fraassen's reply is formally correct yet fundamentally unsatisfying. I aim to strengthen van Fraassen's reply, but must then extend constructive empiricism, specifically the central notion of “theoretical immersion.” I argue that immersion is more analogous to entering a virtual reality than to learning a language. This metaphor assimilates instrument-based practice as well as theoretical debate and explanation, and can provide an anti-realist view of our micro-practices consonant with constructive empiricism.
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I would like to thank the philosophers and historians at the University of Alberta, Dalhousie University and the Institute for the History and Philosophy of Science and Technology at the University of Toronto for their kind reception of this paper and their helpful comments. An anonymous referee for this journal also deserves thanks for pressing several objections from a realist standpoint the responses to which have, I hope, led to the clarification of my position.