Combining Philosophers

All the ideas for Rescher,N/Oppenheim,P, Jan Lukasiewicz and Jaakko Hintikka

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4 ideas

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

8942	Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher]

7. Existence / D. Theories of Reality / 11. Ontological Commitment / a. Ontological commitment

15785

Our commitments are to an 'ontology', but also to an 'ideology', or conceptual system [Hintikka]

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]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

15786

Commitment to possible worlds is part of our ideology, not part of our ontology [Hintikka]