How do scholars evaluate and deal with sirah narrations compared with hadith narrations?

Summary

This Bayan Linnas outlines three views among hadith scholars on sirah narrations. The first requires a sound chain of transmission, the second accepts narrations as long as the narrator is upright and has reliable memory, and the third, held by the majority, is more lenient with sirah and history but strict in matters of halal and haram. Sirah scholars are described as more lenient than hadith scholars provided the narration does not concern legal rulings or creed, as al-Nawawi stated that weak hadith may be used in stories outside rulings and creed.

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