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(2016) Readings in formal epistemology, Dordrecht, Springer.
Suppose Q is a necessary consequence of P. Given only this much, it is, of course, quite trivial that if it is true that P, then it must also be true that Q. If it is a fact that P, then it must also be a fact that Q. If it is necessary that P, then it is necessary that Q; and if it is possible that P, then it must also be possible that Q.
Publication details
DOI: 10.1007/978-3-319-20451-2_27
Full citation:
Dretske, F. (2016)., Epistemic operators, in H. Arló-Costa, V. F. Hendricks & J. Van Benthem (eds.), Readings in formal epistemology, Dordrecht, Springer, pp. 553-566.
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