Combining Texts

All the ideas for 'Ethical Studies', 'Nominalism' and 'On Euclidean Geometry'

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

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6 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / c. Unit (Singleton) Sets

8956	What is a singleton set, if a set is meant to be a collection of objects? [Szabó]

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

16886

The truth of an axiom must be independently recognisable [Frege]

7. Existence / C. Structure of Existence / 7. Abstract/Concrete / a. Abstract/concrete

8953	Abstract entities don't depend on their concrete entities ...but maybe on the totality of concrete things [Szabó]

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

8954	Geometrical circles cannot identify a circular paint patch, presumably because they lack something [Szabó]

18. Thought / E. Abstraction / 5. Abstracta by Negation

8955	Abstractions are imperceptible, non-causal, and non-spatiotemporal (the third explaining the others) [Szabó]

22. Metaethics / C. The Good / 2. Happiness / d. Routes to happiness

5655	Happiness is not satisfaction of desires, but fulfilment of values [Bradley, by Scruton]