Combining Texts
Ideas for
'Thinking About Mathematics', 'The Conscious Mind' and 'Meditations'
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8 ideas
10. Modality / A. Necessity / 5. Metaphysical Necessity
16424
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Strong metaphysical necessity allows fewer possible worlds than logical necessity [Chalmers]
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16425
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Metaphysical necessity is a bizarre, brute and inexplicable constraint on possibilities [Chalmers]
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10. Modality / A. Necessity / 10. Impossibility
16426
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How can we know the metaphysical impossibilities; the a posteriori only concerns this world [Chalmers]
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10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
2301
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We know by thought that what is done cannot be undone [Descartes]
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13956
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Kripke is often taken to be challenging a priori insights into necessity [Chalmers]
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10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible
13963
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Maybe logical possibility does imply conceivability - by an ideal mind [Chalmers]
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10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / b. Conceivable but impossible
3642
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Pythagoras' Theorem doesn't cease to be part of the essence of triangles just because we doubt it [Arnauld on Descartes]
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2407
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One can wrongly imagine two things being non-identical even though they are the same (morning/evening star) [Chalmers]
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