Combining Texts

All the ideas for 'Second Philosophy', '25: Third Epistle of John' and 'A Plea for Substitutional Quantification'

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5 ideas

4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic
Modal logic is not an extensional language [Parsons,C]
5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic
Henkin semantics is more plausible for plural logic than for second-order logic [Maddy]
5. Theory of Logic / G. Quantification / 4. Substitutional Quantification
Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C]
On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C]
28. God / A. Divine Nature / 6. Divine Morality / c. God is the good
He that does evil has not seen God [John]