Combining Texts
Ideas for
'talk', 'Logical Necessity' and 'Absolute Necessities'
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13 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
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15086
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Absolute necessity might be achievable either logically or metaphysically [Hale]
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10. Modality / A. Necessity / 3. Types of Necessity
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8261
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Maybe not-p is logically possible, but p is metaphysically necessary, so the latter is not absolute [Hale]
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15081
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A strong necessity entails a weaker one, but not conversely; possibilities go the other way [Hale]
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15080
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'Relative' necessity is just a logical consequence of some statements ('strong' if they are all true) [Hale]
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14532
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A distinctive type of necessity is found in logical consequence [Rumfitt, by Hale/Hoffmann,A]
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10. Modality / A. Necessity / 5. Metaphysical Necessity
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15082
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Metaphysical necessity says there is no possibility of falsehood [Hale]
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10. Modality / A. Necessity / 6. Logical Necessity
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15085
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'Broadly' logical necessities are derived (in a structure) entirely from the concepts [Hale]
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15088
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Logical necessities are true in virtue of the nature of all logical concepts [Hale]
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12193
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Logical necessity is when 'necessarily A' implies 'not-A is contradictory' [Rumfitt]
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12200
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A logically necessary statement need not be a priori, as it could be unknowable [Rumfitt]
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12202
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Narrow non-modal logical necessity may be metaphysical, but real logical necessity is not [Rumfitt]
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10. Modality / C. Sources of Modality / 4. Necessity from Concepts
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15087
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Conceptual necessities are made true by all concepts [Hale]
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10. Modality / E. Possible worlds / 1. Possible Worlds / e. Against possible worlds
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12203
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If a world is a fully determinate way things could have been, can anyone consider such a thing? [Rumfitt]
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