Ṣaḥīḥ li-Dhātihi: Two Narrator Qualities

Read-only question overview. Answers and scoring remain inside authenticated learner attempts.

• Which quality is explained by preserving a Hadith with its sanad in a very careful written record?
• For these two conditions of ṣaḥīḥ li-dhātihi, it is sufficient for just one narrator in the sanad to be ʿādil and tāmm al-ḍabṭ.
• Match each description to its relevant quality.
• If all narrators have these two qualities, which statement about ṣaḥīḥ li-dhātihi is correct?