Combining Philosophers
Ideas for Peter Geach, Gottfried Leibniz and Gareth Evans
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25 ideas
9. Objects / D. Essence of Objects / 1. Essences of Objects
13432
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The essence of a circle is the equality of its radii [Leibniz]
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13088
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Subjects include predicates, so full understanding of subjects reveals all the predicates [Leibniz]
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13077
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Basic predicates give the complete concept, which then predicts all of the actions [Leibniz]
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12908
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Essences exist in the divine understanding [Leibniz]
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12743
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A true being must (unlike a chain) have united parts, with a substantial form as its subject [Leibniz]
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9. Objects / D. Essence of Objects / 3. Individual Essences
12931
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Particular truths are just instances of general truths [Leibniz]
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12811
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We can't know individuals, or determine their exact individuality [Leibniz]
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9. Objects / D. Essence of Objects / 4. Essence as Definition
12981
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Essence is just the possibility of a thing [Leibniz]
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9. Objects / D. Essence of Objects / 6. Essence as Unifier
12706
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Bodies need a soul (or something like it) to avoid being mere phenomena [Leibniz]
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12753
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A substantial bond of powers is needed to unite composites, in addition to monads [Leibniz]
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9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties
13083
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The essence is the necessary properties, and the concept includes what is contingent [Leibniz]
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9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities
13082
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The complete concept of an individual includes contingent properties, as well as necessary ones [Leibniz]
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13189
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A necessary feature (such as air for humans) is not therefore part of the essence [Leibniz]
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9. Objects / D. Essence of Objects / 8. Essence as Explanatory
5057
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If you fully understand a subject and its qualities, you see how the second derive from the first [Leibniz]
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9. Objects / D. Essence of Objects / 9. Essence and Properties
13191
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The properties of a thing flow from its essence [Leibniz]
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11878
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Leibniz's view (that all properties are essential) is extreme essentialism, not its denial [Leibniz, by Mackie,P]
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9. Objects / D. Essence of Objects / 10. Essence as Species
12906
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Truths about species are eternal or necessary, but individual truths concern what exists [Leibniz]
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12987
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For some sorts, a member of it is necessarily a member [Leibniz]
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9. Objects / D. Essence of Objects / 12. Essential Parts
12884
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The same whole ceases to exist if a part is lost [Leibniz]
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12781
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A composite substance is a mere aggregate if its essence is just its parts [Leibniz]
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9. Objects / D. Essence of Objects / 13. Nominal Essence
12975
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We have a distinct idea of gold, to define it, but not a perfect idea, to understand it [Leibniz]
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12805
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If two people apply a single term to different resemblances, they refer to two different things [Leibniz]
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12806
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Locke needs many instances to show a natural kind, but why not a single instance? [Leibniz, by Jolley]
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9. Objects / D. Essence of Objects / 14. Knowledge of Essences
12694
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Essence is the distinct thinkability of anything [Leibniz]
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9. Objects / D. Essence of Objects / 15. Against Essentialism
11862
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Leibniz was not an essentialist [Leibniz, by Wiggins]
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