Combining Philosophers

Ideas for Carl Ginet, Fred Sommers and Jackson/Pargetter/Prior

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2 ideas

4. Formal Logic / A. Syllogistic Logic / 3. Term Logic
'Predicable' terms come in charged pairs, with one the negation of the other [Sommers, by Engelbretsen]
Logic which maps ordinary reasoning must be transparent, and free of variables [Sommers]