Combining Texts

All the ideas for 'The Roots of Reference', 'A Plea for Substitutional Quantification' and 'Logic as Semiotic: Theory of Signs'

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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]
8. Modes of Existence / C. Powers and Dispositions / 3. Powers as Derived
14296 Dispositions are physical states of mechanism; when known, these replace the old disposition term [Quine]
19. Language / B. Reference / 1. Reference theories
7634 Icons resemble their subject, an index is a natural sign, and symbols are conventional [Peirce, by Maund]