Combining Texts

All the ideas for 'The Case for Closure', 'The Thesis that Mathematics is Logic' and 'Nonexistent Objects'

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

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6 ideas

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

10066

Putnam coined the term 'if-thenism' [Putnam, by Musgrave]

9. Objects / A. Existence of Objects / 4. Impossible objects

18948

There is an object for every set of properties (some of which exist, and others don't) [Parsons,T, by Sawyer]

11. Knowledge Aims / B. Certain Knowledge / 2. Common Sense Certainty

19553

Commitment to 'I have a hand' only makes sense in a context where it has been doubted [Hawthorne]

13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / c. Knowledge closure

19551

How can we know the heavyweight implications of normal knowledge? Must we distort 'knowledge'? [Hawthorne]

19552

We wouldn't know the logical implications of our knowledge if small risks added up to big risks [Hawthorne]

19554

Denying closure is denying we know P when we know P and Q, which is absurd in simple cases [Hawthorne]