Combining Philosophers

Ideas for Epicurus, H.Putnam/P.Oppenheim and Ludwig Wittgenstein

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3 ideas

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / a. Defining numbers

18160

The concept of number is just what all numbers have in common [Wittgenstein]

18153

A number is a repeated operation [Wittgenstein]

6. Mathematics / B. Foundations for Mathematics / 6. Mathematics as Set Theory / b. Mathematics is not set theory

18161

The theory of classes is superfluous in mathematics [Wittgenstein]