Combining Texts
Ideas for
'On the Question of Absolute Undecidability', 'works' and 'Lectures 1930-32 (student notes)'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
1 idea
10. Modality / A. Necessity / 2. Nature of Necessity
13828
|
Necessary truths are those provable from identities by pure logic in finite steps [Leibniz, by Hacking]
|