# 6.021 explained — Tractatus Logico-Philosophicus

> Chapter companion for Tractatus Logico-Philosophicus by Ludwig Wittgenstein.

## What happens

A number is defined as the exponent of an operation, linking arithmetic to the general form of operations.

## Key lines

> A number is the exponent of an operation.

A number represents how many times an operation is applied.

_Defines numbers in terms of operation iteration._

## Links

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