What is the precise issue regarding muʿanʿan reports in this chapter?

Muʿanʿan Transmission: Possible Meeting, Evidence of Hearing, and Continuity

• Whether every muʿanʿan hadith requires proof of the particular session in which it was heard
• Whether known precision automatically proves a narrator’s personal integrity
• What evidence of continuity is required between reliable non-mudallis narrators who could meet
• Whether all critics agree that every muʿanʿan chain is automatically disconnected