concerning his being put forward to lead the prayer, as well as other hadiths that I have not mentioned because hadith scholars do not deem them established (1).
[Ibn Hazm’s Proofs That the Messenger Explicitly Designated Abu Bakr as Caliph]
Abū Muhammad ibn Hazm wrote in his book on (2) Religious Communities and Sects (3):
People differed concerning the imamate after the Messenger of Allah—may Allah bless him and grant him peace. One group (4) maintained that the Prophet—may Allah bless him and grant him peace—had not appointed anyone as his successor. They then differed among themselves (5). Some said: “[However] (6), since he appointed Abū Bakr (7) to lead the prayer, this indicated that he was the most entitled of them to the imamate and the caliphate over the community’s affairs (8).”
Others said: “No. Rather, he was the one among them whose excellence was most evident (9), and for that reason they put him forward.”
Another group said: “Rather, the Messenger of Allah—may Allah bless him and grant him peace—explicitly designated Abū Bakr to succeed him in administering the people’s affairs.”
Abū Muhammad said: “This is also our position, based on several proofs. One of them is the unanimous agreement of all the people,”