Combining Texts

All the ideas for 'fragments/reports', 'Symbolic Reasoning' and 'Notes on Logic'

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

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3 ideas

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

23367

Even pointing a finger should only be done for a reason [Epictetus]

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 / 8. Facts / d. Negative facts

22312

Facts can be both positive and negative [Wittgenstein, by Potter]