Combining Texts

All the ideas for 'works', 'Model Theory for Modal Logic I' and 'Knowledge by Acquaintance and Description-1'

expand these ideas     |    start again     |     specify just one area for these texts

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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 / D. Assumptions for Logic / 3. Contradiction

10121

Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]

8. Modes of Existence / D. Universals / 2. Need for Universals

21710

We know a universal in 'yellow differs from blue' or 'yellow resembles blue less than green does' [Russell]

12. Knowledge Sources / B. Perception / 4. Sense Data / d. Sense-data problems

8854	My 'acquaintance' with sense-data is nothing like my knowing New York [Williams,M on Russell]