Combining Texts

All the ideas for 'Phenomenalism', 'Frege on Extensions from Concepts' and 'Letters to Russell'

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6 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined

7085	The main problem of philosophy is what can and cannot be thought and expressed [Wittgenstein, by Grayling]

7. Existence / C. Structure of Existence / 6. Fundamentals / d. Logical atoms

23463

Atomic facts correspond to true elementary propositions [Wittgenstein]

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

2614	Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer]

12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory

2615	The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer]

18. Thought / C. Content / 1. Content

3115	Are meaning and expressed concept the same thing? [Burge, by Segal]

19. Language / D. Propositions / 4. Mental Propositions

23490

A thought is mental constituents that relate to reality as words do [Wittgenstein]