Tractatus Logico-Philosophicus · Chapter
3.5 explained
The propositional sign, when applied and thought, is the thought itself.
What happens
The propositional sign, when applied and thought, is the thought itself.
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, when applied and thought, constitutes the thought, reflecting the picturing relation.
Characters to notice
- Mr. Wittgenstein
Author of the proposition.
Key passages
“The applied, thought, propositional sign, is the thought.”
The propositional sign, when it is used and entertained in thinking, is identical with the thought.
Clarifies the identity of the thought with its expression in use.