Combining Texts

All the ideas for 'On Truth and Lies in a Nonmoral Sense', 'Symbolic Reasoning' and 'Some Main Problems of Philosophy'

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

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3 ideas

1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / c. Philosophy as generalisation

17992

The main aim of philosophy is to describe the whole Universe. [Moore,GE]

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]

15. Nature of Minds / C. Capacities of Minds / 3. Abstraction by mind

20363

Leaves are unequal, but we form the concept 'leaf' by discarding their individual differences [Nietzsche]