Tractatus Logico-Philosophicus · Chapter
The Propositional Sign and Its Projective Relation explained
Wittgenstein defines the propositional sign as the perceptible expression of a thought, and the proposition as that sign considered in its projective relationship to the world, emphasizing the intentional connection between language and rea
What happens
Wittgenstein defines the propositional sign as the perceptible expression of a thought, and the proposition as that sign considered in its projective relationship to the world, emphasizing the intentional connection between language and reality.
Free preview opens on this chapter — companions, themes, and character notes appear beside the text.
Narrative arc
Story tension across the book.
- 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 readingThemes in this chapter
- Picture Theory of Language
The propositional sign is the vehicle for picturing reality, and the proposition is the sign in its projective (pictorial) relation to the world.
Characters to notice
- Mr. Wittgenstein
Introduces the distinction between the propositional sign and the proposition itself, grounding the latter in its projective relation to the world.
Key passages
“The sign through which we express the thought I call the propositional sign. And the proposition is the propositional sign in its projective relation to the world.”
The physical or perceptible sign that expresses a thought is the propositional sign; the proposition itself is that sign considered as projecting or pointing toward a state of affairs in the world.
Clarifies the distinction between the mere sign and its meaningful, world-directed function.
