Implications

This non-implication, Form 0 \( \not \Rightarrow \) Form 310, whose code is 4, is constructed around a proven non-implication as follows:

  • This non-implication was constructed without the use of this first code 2/1 implication.
  • A proven non-implication whose code is 3. In this case, it's Code 3: 262, Form 0 \( \not \Rightarrow \) Form 280 whose summary information is:
    Hypothesis Statement
    Form 0  \(0 = 0\).

    Conclusion Statement
    Form 280 <p> There is a complete separable metric space with a subset which does not have the Baire property. </p>

  • An (optional) implication of code 1 or code 2 is given. In this case, it's Code 2: 7601, whose string of implications is:
    310 \(\Rightarrow\) 142 \(\Rightarrow\) 280

The conclusion Form 0 \( \not \Rightarrow \) Form 310 then follows.

Finally, the
List of models where hypothesis is true and the conclusion is false:

Name Statement
\(\cal M5(\aleph)\) Solovay's Model An inaccessible cardinal \(\aleph\) is collapsed to \(\aleph_1\) in the outer model and then \(\cal M5(\aleph)\) is the smallest model containing the ordinals and \(\Bbb R\)

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