Combining Texts

All the ideas for 'Lectures on the History of Philosophy', 'A Plea for Substitutional Quantification' and 'fragments/reports'

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5 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined

21757

Philosophy is the conceptual essence of the shape of history [Hegel]

4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic

9470	Modal logic is not an extensional language [Parsons,C]

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

9469	Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C]

9468	On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C]

27. Natural Reality / G. Biology / 1. Biology

651	Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle]