Combining Texts
Ideas for
'On the Question of Absolute Undecidability', 'Tractatus Logico-Philosophicus' and 'Naming and Necessity lectures'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
10 ideas
10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
23495
|
The tautologies of logic show the logic of language and the world [Wittgenstein]
|
4728
|
Kripke separates necessary and a priori, proposing necessary a posteriori and contingent a priori examples [Kripke, by O'Grady]
|
16990
|
A priori = Necessary because we imagine all worlds, and we know without looking at actuality? [Kripke]
|
10. Modality / D. Knowledge of Modality / 2. A Priori Contingent
9386
|
The meter is defined necessarily, but the stick being one meter long is contingent a priori [Kripke]
|
10. Modality / D. Knowledge of Modality / 3. A Posteriori Necessary
4960
|
"'Hesperus' is 'Phosphorus'" is necessarily true, if it is true, but not known a priori [Kripke]
|
4966
|
Theoretical identities are between rigid designators, and so are necessary a posteriori [Kripke]
|
2408
|
Kripke has demonstrated that some necessary truths are only knowable a posteriori [Kripke, by Chalmers]
|
10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible
23487
|
What is thinkable is possible [Wittgenstein]
|
13967
|
Kripke's essentialist necessary a posteriori opened the gap between conceivable and really possible [Soames on Kripke]
|
13970
|
Kripke gets to the necessary a posteriori by only allowing conceivability when combined with actuality [Kripke, by Soames]
|