“ But all propositions of logic say the same thing. That is, nothing. ”
Ludwig Wittgenstein, Tractatus Logico-Philosophicus (1921). copy citation
| Author | Ludwig Wittgenstein |
|---|---|
| Source | Tractatus Logico-Philosophicus |
| Topic | logic proposition |
| Date | 1921 |
| Language | English |
| Reference | |
| Note | Translated by C. K. Ogden |
| Weblink | http://www.gutenberg.org/files/5740/5740-pdf.pdf |
Context
“That from a fact p an infinite number of others should follow, namely, ~~p, ~~~~p, etc., is indeed hardly to be believed, and it is no less wonderful that the infinite number of propositions of logic (of mathematics) should follow from half a dozen «primitive propositions».
But the propositions of logic say the same thing. That is, nothing.
5.44 OGD [→GER | →P/M] Truth-functions are not material functions.
If e.g. an affirmation can be produced by repeated denial, is the denial—in any sense—contained in the affirmation? Does «~~p» deny ~p, or does it affirm p; or both?” source
But the propositions of logic say the same thing. That is, nothing.
5.44 OGD [→GER | →P/M] Truth-functions are not material functions.
If e.g. an affirmation can be produced by repeated denial, is the denial—in any sense—contained in the affirmation? Does «~~p» deny ~p, or does it affirm p; or both?” source
Meaning and analysis
