Combining Philosophers

All the ideas for Oswald Veblen, Bill Brewer and Seymour Lipschutz

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes
8920 Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]
5. Theory of Logic / A. Overview of Logic / 2. History of Logic
10247 We have no adequate logic at the moment, so mathematicians must create one [Veblen]
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / c. Empirical foundations
8875 Sense experiences must have conceptual content, since they are possible reasons for judgements [Brewer,B]