# 2.21 explained — Tractatus Logico-Philosophicus

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

## What happens

A picture (proposition) either corresponds to reality or does not, making it true or false.

## Themes in this chapter

### Picture Theory of Language

This proposition directly states the core of the picture theory: a picture's agreement or disagreement with reality determines its truth value.

## Character check-ins

### Mr. Wittgenstein

Author of the proposition.

## Key lines

> The picture agrees with reality or not; it is right or wrong, true or false.

A proposition is true if it matches the way things are, and false if it does not.

_Clarifies the binary truth condition of the picture theory._

## Links

- HTML: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters/2-21
- Book: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se
- All chapters: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters