Combining Texts

Ideas for 'works', 'Model Theory for Modal Logic I' and 'The Evolution of Logic'

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2 ideas

18. Thought / A. Modes of Thought / 5. Rationality / c. Animal rationality

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Aristotle and the Stoics denied rationality to animals, while Platonists affirmed it [Aristotle, by Sorabji]

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

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