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Published online by Cambridge University Press: 19 June 2023
Just what form(s) our cognitive attitudes towards scientific theories take, and what forms they should take, is a long-standing puzzle in philosophy of science. Debates continue, between various realist and anti-realist positions, probabilistic models, and others. The nature of cognitive commitment becomes particularly puzzling when scientists’ commitments are (at least apparently) inconsistent. Since there are no models of inconsistent sets of sentences, straightforward semantic accounts fail. And syntactic accounts based on classical logic also collapse, since the closure of any inconsistent set under classical logic includes every sentence.
I am grateful to the Social Sciences and Humanities Research Council of Canada (grant 410-92-0674) and to the Center for Philosophy of Science at the University of Pittsburgh (1990-91) for their support.