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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.
Themes 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.