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Ideas for 'The Evolution of Modern Metaphysics', 'Substitutional Classes and Relations' and 'Problems of Philosophy'

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2 ideas

4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic

5401	The mortality of Socrates is more certain from induction than it is from deduction [Russell]

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

18130

Axiom of Reducibility: there is always a function of the lowest possible order in a given level [Russell, by Bostock]