Combining Texts
Ideas for
'Structures and Structuralism in Phil of Maths', 'A Tour through Mathematical Logic' and 'fragments/reports'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
3 ideas
4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets
10166
|
ZFC set theory has only 'pure' sets, without 'urelements' [Reck/Price]
|
4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / e. Axiom of the Empty Set IV
13529
|
Empty Set: ∃x∀y ¬(y∈x). The unique empty set exists [Wolf,RS]
|
4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / n. Axiom of Comprehension
13526
|
Comprehension Axiom: if a collection is clearly specified, it is a set [Wolf,RS]
|