Single Idea 18160

[catalogued under 6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / a. Defining numbers]

Full Idea

The concept of number is simply what is common to all numbers, the general form of number. The concept of number is the variable number.

Gist of Idea

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

Source

Ludwig Wittgenstein (Tractatus Logico-Philosophicus [1921], 6.022)

Book Reference

Wittgenstein,Ludwig: 'Tractatus Logico-Philosophicus (Pears)', ed/tr. Pears,D. /McGuinness,B. [RKP 1961], p.59

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