Combining Texts

Ideas for 'Protagoras', 'Naming and Necessity lectures' and 'From Stimulus to Science'

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3 ideas

2. Reason / B. Laws of Thought / 3. Non-Contradiction
To affirm 'p and not-p' is to have mislearned 'and' or 'not' [Quine]
2. Reason / B. Laws of Thought / 4. Contraries
Only one thing can be contrary to something [Plato]
2. Reason / D. Definition / 2. Aims of Definition
Some definitions aim to fix a reference rather than give a meaning [Kripke]