Combining Texts

All the ideas for 'fragments/reports', 'Set Theory and related topics (2nd ed)' and 'Why there isn't a ready-made world'

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

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7 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

7. Existence / D. Theories of Reality / 2. Realism

17644

Metaphysical realism is committed to there being one ultimate true theory [Putnam]

7. Existence / D. Theories of Reality / 4. Anti-realism

17648

It is an illusion to think there could be one good scientific theory of reality [Putnam]

9. Objects / B. Unity of Objects / 3. Unity Problems / c. Statue and clay

17643

Shape is essential relative to 'statue', but not essential relative to 'clay' [Putnam]

12. Knowledge Sources / B. Perception / 4. Sense Data / b. Nature of sense-data

17642

The old view that sense data are independent of mind is quite dotty [Putnam]

26. Natural Theory / C. Causation / 8. Particular Causation / d. Selecting the cause

17645

An alien might think oxygen was the main cause of a forest fire [Putnam]

28. God / C. Attitudes to God / 3. Deism

1558	Clearly the gods ignore human affairs, or they would have given us justice [Thrasymachus]