Tractatus Logico-Philosophicus · Chapter
4.127 explained
Wittgenstein explains that a propositional variable signifies a formal concept, while its values represent the objects that fall under that concept.
What happens
Wittgenstein explains that a propositional variable signifies a formal concept, while its values represent the objects that fall under that concept.
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Follow the arc while readingThemes in this chapter
- Logical Atomism
The propositional variable and its values relate to the logical structure of language and the objects that constitute atomic facts.
Characters to notice
- Mr. Wittgenstein
Author of the proposition
Key passages
“The propositional variable signifies the formal concept, and its values signify the objects which fall under this concept.”
A variable in a proposition represents a formal concept, and the specific instances of that variable represent the objects that belong to that concept.
Clarifies the relationship between formal concepts and their instances in logical notation.