Combining Philosophers

All the ideas for Rescher,N/Oppenheim,P, Alonzo Church and Francis of Marchia

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3 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]

9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts

12887

A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim]

9. Objects / D. Essence of Objects / 13. Nominal Essence

16627

If you remove the accidents from a horse and a lion, the intellect can't tell them apart [Francis of Marchia]