Combining Texts
Ideas for
'On the Philosophy of Logic', 'Intensions Revisited' and 'Specimen inventorum'
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3 ideas
4. Formal Logic / D. Modal Logic ML / 1. Modal Logic
13591
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Quantified modal logic collapses if essence is withdrawn [Quine]
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4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic
8943
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Three-valued logic says excluded middle and non-contradition are not tautologies [Fisher]
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4. Formal Logic / E. Nonclassical Logics / 4. Fuzzy Logic
8945
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Fuzzy logic has many truth values, ranging in fractions from 0 to 1 [Fisher]
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