Combining Philosophers

Ideas for Lynch,MP/Glasgow,JM, Jan Lukasiewicz and Anil Gupta

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2 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]

4. Formal Logic / F. Set Theory ST / 6. Ordering in Sets

11222

The ordered pair <x,y> is defined as the set {{x},{x,y}}, capturing function, not meaning [Gupta]