# 3.321 explained — Tractatus Logico-Philosophicus

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

## What happens

Wittgenstein distinguishes between symbols and signs, noting that two different symbols can share the same written or spoken sign while signifying in different ways.

## Themes in this chapter

### Limits of Language and Thought

The distinction between sign and symbol highlights the limits of representation and the potential for ambiguity in language.

### Logical Atomism

The idea that different symbols can share a sign relates to the atomic structure of propositions and their logical form.

## Character check-ins

### Mr. Wittgenstein

Author of the proposition

## Key lines

> Two different symbols can therefore have the sign (the written sign or the sound sign) in common⁠—they then signify in different ways.

It is possible for two distinct symbols to share the same written or spoken form, yet each carries a different meaning.

_Clarifies the distinction between the physical sign and its symbolic meaning._

## Links

- HTML: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters/3-321
- Book: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se
- All chapters: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters