Combining Philosophers

All the ideas for Seymour Lipschutz, Antoine Arnauld and Vincent C. Punzo

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4 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
No one can conceive of a possible substance, apart from those which God has created [Arnauld]
4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes
Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]
25. Social Practice / F. Life Issues / 5. Sexual Morality
Why do sexual relationships need permanence, if other relationships don't? [Punzo]
Does engaging in sexual intercourse really need no more thought than playing tennis? [Punzo]