# 4.44 explained — Tractatus Logico-Philosophicus

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

## What happens

Wittgenstein defines the propositional sign as the sign that results from coordinating the truth-possibilities with the truth-mark 'T'.

## Themes in this chapter

### Logic and Tautology

The coordination of truth-possibilities with the mark 'T' is a logical operation that yields propositional signs.

## Character check-ins

### Mr. Wittgenstein

Author of the proposition

## Key lines

> The sign which arises from the coordination of that mark “T” with the truth-possibilities is a propositional sign.

A propositional sign is created by linking the truth-mark 'T' to the various truth-possibilities.

_Clarifies the formation of propositional signs through truth-functional coordination._

## Links

- HTML: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters/4-44
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- All chapters: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters