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Ideas for 'The Evolution of Logic', 'works' and 'A Survey of Metaphysics'

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3 ideas

18. Thought / D. Concepts / 3. Ontology of Concepts / c. Fregean concepts

13475

The Fregean concept of GREEN is a function assigning true to green things, and false to the rest [Hart,WD]

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

4238	The centre of mass of the solar system is a non-causal abstract object, despite having a location [Lowe]

4237	Concrete and abstract objects are distinct because the former have causal powers and relations [Lowe]