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Tractatus Logico-Philosophicus · Chapter

4.012 explained

Wittgenstein argues that a proposition of the form 'a R b' is perceived as a picture, where the sign is a likeness of what it signifies.

What happens

Wittgenstein argues that a proposition of the form 'a R b' is perceived as a picture, where the sign is a likeness of what it signifies.

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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…

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Themes in this chapter

  • Picture Theory of Language

    The proposition a R b is presented as a direct picture of reality, with the sign resembling the signified.

Characters to notice

Key passages

  • “It is obvious that we perceive a proposition of the form a R b as a picture. Here the sign is obviously a likeness of the signified.”

    We clearly see a proposition like 'a R b' as a depiction; the sign directly resembles what it represents.

    Wittgenstein asserts the pictorial nature of relational propositions.