Combining Texts

All the ideas for 'Reply to Richards', 'A Plea for Substitutional Quantification' and 'Human Knowledge: its scope and limits'

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9 ideas

1. Philosophy / E. Nature of Metaphysics / 3. Metaphysical Systems

22140

The greatest philosophers are methodical; it is what makes them great [Grice]

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 / E. Structures of Logic / 2. Logical Connectives / c. not

16489

Is it possible to state every possible truth about the whole course of nature without using 'not'? [Russell]

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]

10. Modality / A. Necessity / 6. Logical Necessity

16490

Some facts about experience feel like logical necessities [Russell]

12. Knowledge Sources / D. Empiricism / 5. Empiricism Critique

16488

It is hard to explain how a sentence like 'it is not raining' can be found true by observation [Russell]

19. Language / F. Communication / 3. Denial

16491

If we define 'this is not blue' as disbelief in 'this is blue', we eliminate 'not' as an ingredient of facts [Russell]

27. Natural Reality / A. Classical Physics / 1. Mechanics / a. Explaining movement

4786	Russell's 'at-at' theory says motion is to be at the intervening points at the intervening instants [Russell, by Psillos]