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Ideas for 'On the Philosophy of Logic', 'Philosophy and Scientific Image of Man' and 'Replies on 'Limits of Abstraction''

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4 ideas

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

8951	Classical logic is: excluded middle, non-contradiction, contradictions imply all, disjunctive syllogism [Fisher]

5. Theory of Logic / C. Ontology of Logic / 2. Platonism in Logic

8950	Logic formalizes how we should reason, but it shouldn't determine whether we are realists [Fisher]

5. Theory of Logic / G. Quantification / 5. Second-Order Quantification

10569

If you ask what F the second-order quantifier quantifies over, you treat it as first-order [Fine,K]

5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic

10570

Assigning an entity to each predicate in semantics is largely a technical convenience [Fine,K]