Implications

This non-implication, Form 190 \( \not \Rightarrow \) Form 278, whose code is 6, is constructed around a proven non-implication as follows:

  • An (optional) implication of code 1 or code 2 is given. In this case, it's Code 2: 7695, whose string of implications is:
    191 \(\Rightarrow\) 189 \(\Rightarrow\) 190
  • A proven non-implication whose code is 5. In this case, it's Code 3: 503, Form 191 \( \not \Rightarrow \) Form 244 whose summary information is:
    Hypothesis Statement
    Form 191 <p> \(SVC\): There is a set \(S\) such that for every set \(a\), there is an ordinal \(\alpha\) and a function from \(S\times\alpha\) onto \(a\). </p>

    Conclusion Statement
    Form 244 <p> Every principal ideal domain has a maximal ideal. </p>

  • An (optional) implication of code 1 or code 2 is given. In this case, it's Code 2: 10232, whose string of implications is:
    278 \(\Rightarrow\) 244

The conclusion Form 190 \( \not \Rightarrow \) Form 278 then follows.

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

Name Statement
\(\cal N31\) L&auml;uchli's Model IV The set \(A\) is denumerable

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