Combining Texts

All the ideas for 'Intellectual Norms and Foundations of Mind', 'De arcanus motus' and 'Symbolic Reasoning'

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4 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

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The null class is the class with all the non-existents as its members [MacColl, by Lackey]

8. Modes of Existence / C. Powers and Dispositions / 1. Powers

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Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz]

10. Modality / A. Necessity / 2. Nature of Necessity

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Every necessary proposition is demonstrable to someone who understands [Leibniz]

26. Natural Theory / D. Laws of Nature / 7. Strictness of Laws

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If there are no finks or antidotes at the fundamental level, the laws can't be ceteris paribus [Burge, by Corry]