Combining Texts

All the ideas for 'Explaining the A Priori', 'Realism and Anti-Realism' and 'Symbolic Reasoning'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

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

15049

Metaphysical realists are committed to all unambiguous statements being true or not true [Dummett]

18. Thought / D. Concepts / 2. Origin of Concepts / a. Origin of concepts

17722

The concept 'red' is tied to what actually individuates red things [Peacocke]