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Ideas for 'fragments/reports', 'Letters to Burcher De Volder' and 'Tractatus Logico-Philosophicus'

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5 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]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / d. Logicism critique

6849	Wittgenstein hated logicism, and described it as a cancerous growth [Wittgenstein, by Monk]

23509

The logic of the world is shown by tautologies in logic, and by equations in mathematics [Wittgenstein]