Combining Texts

Ideas for 'Introduction to Russell's Theory of Types', 'Mechanisms' and 'Intellectual Autobiography'

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3 ideas

4. Formal Logic / A. Syllogistic Logic / 3. Term Logic

18904

'Predicable' terms come in charged pairs, with one the negation of the other [Sommers, by Engelbretsen]

18895

Logic which maps ordinary reasoning must be transparent, and free of variables [Sommers]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility

18170

The Axiom of Reducibility is self-effacing: if true, it isn't needed [Quine]