Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Carl Ginet and Joan Weiner

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4 ideas

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic

7726	Aristotelian logic dealt with inferences about concepts, and there were also proposition inferences [Weiner]

13. Knowledge Criteria / A. Justification Problems / 1. Justification / a. Justification issues

8836	Must all justification be inferential? [Ginet]

8837	Inference cannot originate justification, it can only transfer it from premises to conclusion [Ginet]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]