Combining Philosophers

Ideas for William W. Tait, Margaret Cavendish and Alain Badiou

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4 ideas

4. Formal Logic / F. Set Theory ST / 2. Mechanics of Set Theory / b. Terminology of ST

12337

There is 'transivity' iff membership ∈ also means inclusion ⊆ [Badiou]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

9986	The null set was doubted, because numbering seemed to require 'units' [Tait]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / j. Axiom of Choice IX

12321

The axiom of choice must accept an indeterminate, indefinable, unconstructible set [Badiou]

4. Formal Logic / F. Set Theory ST / 7. Natural Sets

9984	We can have a series with identical members [Tait]