← All chapters

Tractatus Logico-Philosophicus · Chapter

4.001 explained

Language is defined as the totality of all propositions.

What happens

Language is defined as the totality of all propositions.

Free preview opens on this chapter — companions, themes, and character notes appear beside the text.

Narrative arc

Story tension across the book.

SetupAftermathClimax
  • Setup
  • Escalation
  • Breaking point
  • Aftermath
  • Closing

This passage marks the story’s dramatic climax because it presents the moment when the protagonist’s obsessive…

Full beat labels and climax notes unlock in the reader.

Follow the arc while reading

Themes in this chapter

Characters to notice

  • Mr. Wittgenstein

    Author of the proposition defining language as the totality of propositions.

Key passages

  • “The totality of propositions is the language.”

    Language consists of every possible proposition.

    This defines language in terms of propositions, setting the scope of meaningful expression.