# 4.465 explained — Tractatus Logico-Philosophicus

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

## What happens

Wittgenstein argues that the logical product of a tautology and any proposition is identical to the proposition itself, because altering the symbol's essence would change its sense.

## Themes in this chapter

### Logic and Tautology

The logical product of a tautology and a proposition is identical to the proposition, illustrating the nature of tautologies.

## Character check-ins

### Mr. Wittgenstein

Author of the proposition

## Key lines

> The logical product of a tautology and a proposition says the same as the proposition.

Combining a tautology with any statement yields a statement that means the same as the original statement alone.

_Clarifies the identity of logical products involving tautologies._

## Links

- HTML: https://www.betterreads.online/discover/tractatus_logico_philosophicus_se/chapters/4-465
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