Combining Texts

Ideas for 'Protagoras', 'fragments/reports' and 'Identity and Spatio-Temporal Continuity'

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2 ideas

2. Reason / B. Laws of Thought / 2. Sufficient Reason
Chrysippus said the uncaused is non-existent [Chrysippus, by Plutarch]
2. Reason / B. Laws of Thought / 4. Contraries
Only one thing can be contrary to something [Plato]