The following diagram shows that 10 \(\not \Rightarrow\) 129 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 249 \( \not \Rightarrow \) 129 is not just a code 6 non-implication, but is also a code 4 non-implication.

129 This form is negation transferable
\(\Downarrow\)
4
\(\Downarrow\)
9
\(\Downarrow\)
133 \( \not \Rightarrow \) 128
\( \Downarrow \)
This form is transferable 10
\( \Downarrow \)
249

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