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Ideas for
'Lectures 1930-32 (student notes)', 'fragments/reports' and 'Logical Necessity: Some Issues'
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9 ideas
10. Modality / A. Necessity / 5. Metaphysical Necessity
444
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The first way of enquiry involves necessary existence [Parmenides]
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10. Modality / A. Necessity / 6. Logical Necessity
12184
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Logical necessity overrules all other necessities [McFetridge]
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15083
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The fundamental case of logical necessity is the valid conclusion of an inference [McFetridge, by Hale]
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15084
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In the McFetridge view, logical necessity means a consequent must be true if the antecedent is [McFetridge, by Hale]
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12180
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Logical necessity requires that a valid argument be necessary [McFetridge]
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12181
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Traditionally, logical necessity is the strongest, and entails any other necessities [McFetridge]
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12183
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It is only logical necessity if there is absolutely no sense in which it could be false [McFetridge]
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12192
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The mark of logical necessity is deduction from any suppositions whatever [McFetridge]
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10. Modality / A. Necessity / 8. Transcendental Necessity
450
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Necessity sets limits on being, in order to give it identity [Parmenides]
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