Combining Texts
Ideas for
'Metaphysics', 'Necessity and Non-Existence' and 'On the Ultimate Origination of Things'
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15 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 / A. Necessity / 7. Natural Necessity
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5047
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The world is physically necessary, as its contrary would imply imperfection or moral absurdity [Leibniz]
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10. Modality / A. Necessity / 8. Transcendental Necessity
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15064
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Proper necessary truths hold whatever the circumstances; transcendent truths regardless of circumstances [Fine,K]
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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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15070
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It is the nature of Socrates to be a man, so necessarily he is a man [Fine,K]
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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 / 2. Nature of Possible Worlds / a. Nature of possible worlds
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15069
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Possible worlds may be more limited, to how things might actually turn out [Fine,K]
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15068
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The actual world is a totality of facts, so we also think of possible worlds as totalities [Fine,K]
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