Combining Texts
Ideas for
'Metaphysics', 'Could There Be Unicorns?' and 'De Mundo Praesenti'
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12 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
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12611
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Necessity makes alternatives impossible [Aristotle]
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10. Modality / A. Necessity / 6. Logical Necessity
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17852
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A thing has a feature necessarily if its denial brings a contradiction [Aristotle]
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10. Modality / B. Possibility / 1. Possibility
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15779
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Possibility is when the necessity of the contrary is false [Aristotle]
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15769
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Anything which is possible either exists or will come into existence [Aristotle]
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10. Modality / B. Possibility / 4. Potentiality
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14544
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Potentialities are always for action, but are conditional on circumstances [Aristotle]
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15774
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We recognise potentiality from actuality [Aristotle]
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15777
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A 'potentiality' is a principle of change or process in a thing [Aristotle]
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15778
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Things are destroyed not by their powers, but by their lack of them [Aristotle]
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10. Modality / C. Sources of Modality / 6. Necessity from Essence
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12612
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Some things have external causes of their necessity; others (the simple) generate necessities [Aristotle]
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15108
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Aristotle's says necessary truths are distinct and derive from essential truths [Aristotle, by Koslicki]
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10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds
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16957
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Possible worlds aren't how the world might be, but how a world might be, given some possibility [Dummett]
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10. Modality / E. Possible worlds / 1. Possible Worlds / c. Possible worlds realism
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16959
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If possible worlds have no structure (S5) they are equal, and it is hard to deny them reality [Dummett]
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