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Ideas for 'On the Philosophy of Logic', 'How to Russell a Frege-Church' and 'Community'

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3 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 / F. Referring in Logic / 2. Descriptions / c. Theory of definite descriptions

11989

For Russell, expressions dependent on contingent circumstances must be eliminated [Kaplan]