Combining Texts

All the ideas for 'Frege's Theory of Numbers', 'The Development of Logic' and 'Events'

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9 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / f. Axiom of Infinity V

10051

The axiom of infinity is not a truth of logic, and its adoption is an abandonment of logicism [Kneale,W and M]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

17447

Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck]

7. Existence / B. Change in Existence / 4. Events / a. Nature of events

15567

Some events involve no change; they must, because causal histories involve unchanges [Lewis]

15561

The events that suit semantics may not be the events that suit causation [Lewis]

15565

Events have inbuilt essences, as necessary conditions for their occurrence [Lewis]

15566

Events are classes, and so there is a mereology of their parts [Lewis]

7. Existence / B. Change in Existence / 4. Events / c. Reduction of events

15564

An event is a property of a unique space-time region [Lewis]

8. Modes of Existence / B. Properties / 10. Properties as Predicates

15563

Properties are very abundant (unlike universals), and are used for semantics and higher-order variables [Lewis]

26. Natural Theory / C. Causation / 1. Causation

15562

Causation is a general relation derived from instances of causal dependence [Lewis]