The following diagram shows that 43 \(\not \Rightarrow\) 15 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 113 \( \not \Rightarrow \) 15 is not just a code 6 non-implication, but is also a code 4 non-implication.
345 | \( \not \Rightarrow \) | 15 | This form is negation transferable | |
\( \Downarrow \) | ||||
This form is transferable | 43 | |||
\( \Downarrow \) | ||||
113 |