Combining Texts

All the ideas for 'Reply to 'Rorarius' 2nd ed', 'The Problem of Possibilia' and 'Human Knowledge: its scope and limits'

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8 ideas

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]

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

16490

Some facts about experience feel like logical necessities [Russell]

10. Modality / B. Possibility / 1. Possibility

9212	Possible states of affairs are not propositions; a proposition can't be a state of affairs! [Fine,K]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

9213	The actual world is a possible world, so we can't define possible worlds as 'what might have been' [Fine,K]

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]

27. Natural Reality / D. Time / 1. Nature of Time / b. Relative time

19384

Space and time are the order of all possibilities, and don't just relate to what is actual [Leibniz]