Combining Texts

All the ideas for 'Letters to Wolff', 'The Gettier Problem' and 'A Plea for Substitutional Quantification'

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5 ideas

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]

9. Objects / D. Essence of Objects / 9. Essence and Properties

13191

The properties of a thing flow from its essence [Leibniz]

13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / b. Gettier problem

19699

A Gettier case is a belief which is true, and its fallible justification involves some luck [Hetherington]