Combining Texts

Ideas for 'On the Philosophy of Logic', 'Truthmakers and Converse Barcan Formula' and 'What is a Leading Principle?'

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5 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 / 1. Quantification

18492

Not all quantification is either objectual or substitutional [Williamson]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

15136

Substitutional quantification is metaphysical neutral, and equivalent to a disjunction of instances [Williamson]

5. Theory of Logic / G. Quantification / 7. Unorthodox Quantification

15138

Not all quantification is objectual or substitutional [Williamson]