Combining Texts
Ideas for
'fragments/reports', 'Ruling Passions' and 'Principia Mathematica'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
6 ideas
4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic
8077
|
Stoic propositional logic is like chemistry - how atoms make molecules, not the innards of atoms [Chrysippus, by Devlin]
|
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / e. Axioms of PL
20791
|
Chrysippus has five obvious 'indemonstrables' of reasoning [Chrysippus, by Diog. Laertius]
|
9542
|
The best known axiomatization of PL is Whitehead/Russell, with four axioms and two rules [Russell/Whitehead, by Hughes/Cresswell]
|
4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility
21720
|
Russell saw Reducibility as legitimate for reducing classes to logic [Linsky,B on Russell/Whitehead]
|
4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory
10044
|
Russell denies extensional sets, because the null can't be a collection, and the singleton is just its element [Russell/Whitehead, by Shapiro]
|
18208
|
We regard classes as mere symbolic or linguistic conveniences [Russell/Whitehead]
|