Combining Philosophers
Ideas for Rescher,N/Oppenheim,P, Anon (Josh) and C.I. Lewis
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2 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
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Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read]
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10. Modality / A. Necessity / 11. Denial of Necessity
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Necessary truths are those we will maintain no matter what [Lewis,CI]
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