It may be said:
Fourth, each of the two hadiths is demonstrably false and may not be attributed to the Prophet—peace and blessings be upon him.
For it may be asked: What is meant by saying that (1) Alī—or anyone else (2)—is the one who distinguishes truth from falsehood for the Muslim community? If this means that he distinguishes between the people of truth and the people of falsehood (3), thereby distinguishing [between] (4) believers and hypocrites, then this is something no human being is capable of—not a prophet or anyone else. Allah Most High said to His Prophet:
“Among the nomadic Arabs around you are hypocrites, as are some of the people of Medina. They persist in hypocrisy. You do not know them; We know them.”
[Surah al-Tawbah: 101]
If the Prophet—peace and blessings be upon him—did not know the exact identity of every hypocrite in and around his city, how could anyone else know (5) that?
If it is said that he sets out the characteristics of the people of truth and the people of falsehood, then the Quran has (6) explained this with the utmost clarity. It is the Criterion through which Allah distinguished between (7) truth and falsehood, without doubt.
If what is meant is that whoever fought alongside him was upon the truth, while whoever fought against him was upon falsehood (88): (8).
It may be said: Even if this were true, it would entail nothing except (9) distinguishing between the group