Combining Texts

All the ideas for 'Fragments of Pherecydes', 'A Note on the entscheidungsproblem' and 'Letters to Foucher'

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5 ideas

5. Theory of Logic / K. Features of Logics / 7. Decidability
18758 Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee]
8. Modes of Existence / C. Powers and Dispositions / 4. Powers as Essence
13095 Essence is primitive force, or a law of change [Leibniz]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / c. Ultimate substances
22745 Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus]
26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity
2117 The connection in events enables us to successfully predict the future, so there must be a constant cause [Leibniz]
29. Religion / D. Religious Issues / 2. Immortality / a. Immortality
5883 Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero]