Combining Texts

Ideas for 'Axiomatic Theories of Truth (2005 ver)', 'The Philosophy of Logical Atomism' and 'Draft Statement of Human Obligations'

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2 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory

15657

To prove the consistency of set theory, we must go beyond set theory [Halbach]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / c. Unit (Singleton) Sets

6103	Normally a class with only one member is a problem, because the class and the member are identical [Russell]