Combining Texts

All the ideas for 'Theory of Knowledge (2nd edn)', 'What is so bad about Contradictions?' and 'Resurrecting Biological Essentialism'

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7 ideas

1. Philosophy / C. History of Philosophy / 4. Later European Philosophy / b. Seventeenth century philosophy

2945	Most philosophers start with reality and then examine knowledge; Descartes put the study of knowledge first [Lehrer]

1. Philosophy / F. Analytic Philosophy / 4. Conceptual Analysis

2946	You cannot demand an analysis of a concept without knowing the purpose of the analysis [Lehrer]

2. Reason / B. Laws of Thought / 3. Non-Contradiction

9123	Someone standing in a doorway seems to be both in and not-in the room [Priest,G, by Sorensen]

9. Objects / D. Essence of Objects / 10. Essence as Species

17368

Essentialism concerns the nature of a group, not its category [Devitt]

17370

Things that gradually change, like species, can still have essences [Devitt]

27. Natural Reality / G. Biology / 5. Species

17369

We name species as small to share properties, but large enough to yield generalisations [Devitt]

17367

Species are phenetic, biological, niche, or phylogenetic-cladistic [Devitt, by PG]