Which distinction matters when applying “yurā annahu kadhib”?

Trustworthy Transmission, the Report of a Fāsiq, and Responsible Narration

• A passing suspicion is not identical to knowledge or well-grounded belief
• Abridging a matn itself establishes knowledge of fabrication
• A narrator’s mere doubt necessarily equals knowledge of falsehood
• Every solitary report should count as known falsehood absent corroboration