In contrast, the canonical Sahih al-Bukhari and Sahih Muslim relate that Ali pledged to Abu Bakr after Fatima died some time later. Soufi comments that none except one of the traditions cited by al-Tabari and al-Baladhuri has a chain of transmission that reaches back to the time of the conflict.
In contrast, Sahih al-Bukhari and Sahih Muslim indicate that Ali swore allegiance to Abu Bakr after Fatima's death. Soufi suggests that only one of the traditions mentioned by al-Tabari and al-Baladhuri has a transmission chain from the time of conflict.