Combining Philosophers

All the ideas for Alonzo Church, Lawrence B. Lombard and Jacques Lenfant

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3 ideas

5. Theory of Logic / K. Features of Logics / 7. Decidability
Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee]
7. Existence / B. Change in Existence / 4. Events / c. Reduction of events
An event is a change in or to an object [Lombard, by Mumford]
8. Modes of Existence / C. Powers and Dispositions / 4. Powers as Essence
The question is whether force is self-sufficient in bodies, and essential, or dependent on something [Lenfant]