Combining Texts

All the ideas for 'The Logic of Boundaryless Concepts', 'A Realistic Theory of Categories' and 'Model Theory for Modal Logic I'

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4 ideas

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5
9560 S5 provides the correct logic for necessity in the broadly logical sense [Fine,K]
5. Theory of Logic / A. Overview of Logic / 3. Value of Logic
9390 Logic guides thinking, but it isn't a substitute for it [Rumfitt]
7. Existence / E. Categories / 3. Proposed Categories
13120 Chisholm divides things into contingent and necessary, and then individuals, states and non-states [Chisholm, by Westerhoff]
9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects
9389 Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt]