English: Might one who roasted it thoroughly until charred be liable? Therefore it says “do not eat of it na or cooked” — na and cooked I told you, and not that one roasted it completely.
On the daf / in context: See the cited source for the full section.
Type of Learning
Derash on the verse (Pesachim) — not a formal named middah of the 13.
What Is Learned
Over-roasting to a char is not the prohibition of na or mevushal.