# 4.462 explained — Tractatus Logico-Philosophicus

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

## What happens

Tautology and contradiction are not pictures of reality because they do not represent possible states of affairs; tautology allows all possibilities, contradiction none, and both lack presenting relations to the world.

## Themes in this chapter

### Logic and Tautology

Tautology and contradiction are shown to be degenerate cases that do not picture reality.

### Nonsense and Meaning

Tautologies and contradictions lack sense as they present no possible state of affairs.

## Character check-ins

### Mr. Wittgenstein

Author of the Tractatus, presenting the nature of tautology and contradiction.

## Key lines

> Tautology and contradiction are not pictures of the reality.

Neither tautologies nor contradictions depict how things are in the world.

_They fail to represent any possible state of affairs._

> For the one allows every possible state of affairs, the other none.

A tautology is compatible with all situations, while a contradiction excludes all.

_This highlights their lack of factual content._

## Links

- HTML: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters/4-462
- Book: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se
- All chapters: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters