Combining Philosophers

All the ideas for Moses Schönfinkel, W Quine / J Ullian and William S. Jevons

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3 ideas

1. Philosophy / F. Analytic Philosophy / 1. Nature of Analysis
Philosophers have given precise senses to deduction, probability, computability etc [Quine/Ullian]
5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel]
6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism
I hold that algebra and number are developments of logic [Jevons]