39 - Chapter: Recitation in the two rak'ahs of Fajr of {Say: O disbelievers} and {Say: He is Allah, the One}

945 - 'Abd al-Rahman ibn Ibrahim Duhaym informed us, he said: Marwan narrated to us, he said: Yazid ibn Kaysan narrated to us, from Abu Hazim, from Abu Hurayrah, that the Messenger of Allah, peace and blessings be upon him, recited in the two rak'ahs of Fajr {Say: O disbelievers} and {Say: He is Allah, the One}.(1)

40 - Chapter: Shortening the two rak'ahs of Fajr

946 - Ishaq ibn Ibrahim informed us, he said: Jarir informed us, from Yahya ibn Sa'id, from Muhammad ibn 'Abd al-Rahman, from 'Amrah, from 'A'ishah, who said: I would see the Messenger of Allah, peace and blessings be upon him, praying the two rak'ahs of Fajr, and he would shorten them so much that I would say: Did he recite the Mother of the Book in them?(2)

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(1) Authentic hadith; its narrators are trustworthy except Yazid ibn Kaysan, who is truthful [saduq]. Marwan is Ibn Mu'awiyah al-Fazari, and Abu Hazim is Salman al-Ashja'i. It is in "al-Sunan al-Kubra" under numbers (1019) and (11644).
Ibn Majah also narrated it (1148) from 'Abd al-Rahman ibn Ibrahim, with this chain of transmission.
Muslim (726), Abu Dawud (1256), and Ibn Majah (1148) also narrated it via multiple routes from Marwan ibn Mu'awiyah, with it.
It has a supporting witness from the hadith of Ibn 'Umar, may Allah be pleased with him, which will come under number (992).
And from 'A'ishah, may Allah be pleased with her, Ahmad narrated it (26022), and Ibn Majah (1150), and Ibn Hibban declared it authentic (2461), and al-Hafiz Ibn Hajar strengthened its chain in "Fath al-Bari" 3/47. See also "al-Tamhid" 24/41.
(2) Its chain is authentic. Yahya ibn Sa'id is Abu Sa'id al-Ansari, and Muhammad ibn 'Abd al-Rahman is Ibn Sa'd ibn Zurarah al-Ansari, the nephew of 'Amrah, who is the daughter of 'Abd al-Rahman ibn Sa'd ibn Zurarah. Jarir is Ibn Hazim, as is apparent among those who narrate from Yahya al-Ansari in his biography in =