Combining Philosophers
Ideas for Stilpo, Robin Waterfield and Bob Hale
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12 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
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
19290
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Absolute necessities are necessarily necessary [Hale]
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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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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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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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19286
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'Absolute necessity' is when there is no restriction on the things which necessitate p [Hale]
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19288
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Logical and metaphysical necessities differ in their vocabulary, and their underlying entities [Hale]
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10. Modality / A. Necessity / 5. Metaphysical Necessity
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
15088
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Logical necessities are true in virtue of the nature of all logical concepts [Hale]
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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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19285
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Logical necessity is something which is true, no matter what else is the case [Hale]
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19287
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Maybe each type of logic has its own necessity, gradually becoming broader [Hale]
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