1 Answered Questions

[SOLVED] About a paper of Zermelo

1 Answered Questions

[SOLVED] How do we know an $ \aleph_1 $ exists at all?

13 Answered Questions

[SOLVED] Why is "the set of all sets" a paradox, in layman's terms?

2 Answered Questions

[SOLVED] Continuity and the Axiom of Choice

3 Answered Questions

[SOLVED] Defining cardinality in the absence of choice

2 Answered Questions

2 Answered Questions

[SOLVED] Is there a known well ordering of the reals?

2 Answered Questions

2 Answered Questions

7 Answered Questions

[SOLVED] What is the difference between a class and a set?

7 Answered Questions

[SOLVED] Why is the Continuum Hypothesis (not) true?

4 Answered Questions

6 Answered Questions

[SOLVED] Axiom of Choice and finite sets

4 Answered Questions

[SOLVED] How do we know what natural numbers are?

4 Answered Questions

[SOLVED] Does every set have a group structure?

2 Answered Questions

1 Answered Questions

[SOLVED] Do sets, whose power sets have the same cardinality, have the same cardinality?

  • 2011-03-27 21:38:46
  • benjamin
  • 1139 View
  • 18 Score
  • 1 Answer
  • Tags:   set-theory

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5 Answered Questions

[SOLVED] Advantage of accepting the axiom of choice

6 Answered Questions

[SOLVED] Why is $\omega$ the smallest $\infty$?

3 Answered Questions

[SOLVED] How do I choose an element from a non-empty set?

4 Answered Questions

[SOLVED] Cardinality of all cardinalities

2 Answered Questions

[SOLVED] Is it possible that every set can be specified?

1 Answered Questions

[SOLVED] Polish Spaces and the Hilbert Cube

3 Answered Questions

[SOLVED] Finite choice without AC

3 Answered Questions

[SOLVED] For any two sets $A,B$ , $|A|\leq|B|$ or $|B|\leq|A|$

3 Answered Questions

[SOLVED] Set Theoretic Definition of Numbers

  • 2010-12-19 03:31:32
  • user17762
  • 3909 View
  • 43 Score
  • 3 Answer
  • Tags:   set-theory

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[SOLVED] What axioms does ZF have, exactly?

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