The Book of Pilgrimage (Kitab Al-Hajj)
Muslim :: Book 7 : Hadith 2843
Nafi' thus reported on the authority of Ibn Umar: We entered into the state of Ihram with Allah's Messenger (may peace be upon him) for Hajj Mufrad and in the narration of Ibn 'Aun (the words are):" Allah's Messenger (may peace be upon him) entered into the state of Ihram (with the intention) of Hajj Mufrad."
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