The following diagram shows that 185 \(\not \Rightarrow\) 406 is a code 6 non-implication, and the theory of transferability then shows that it is actually a code 4. It follows that the non-implication 13 \( \not \Rightarrow \) 406 is not just a code 6 non-implication, but is also a code 4 non-implication.

406 This form is negation transferable
\(\Downarrow\)
10
\(\Downarrow\)
80
\(\Downarrow\)
334 \( \not \Rightarrow \) 18
\( \Downarrow \)
67
\( \Downarrow \)
89
\( \Downarrow \)
90
\( \Downarrow \)
51
\( \Downarrow \)
77
\( \Downarrow \)
This form is transferable 185
\( \Downarrow \)
13

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