The following diagram shows that 165 \(\not \Rightarrow\) 407 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 324 \( \not \Rightarrow \) 407 is not just a code 6 non-implication, but is also a code 4 non-implication.

407 This form is negation transferable
\(\Downarrow\)
43
\(\Downarrow\)
133 \( \not \Rightarrow \) 106
\( \Downarrow \)
231
\( \Downarrow \)
This form is transferable 165
\( \Downarrow \)
324

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