Naming by Al -Bukhari and Muslim

God Almighty made the right to follow the Sunnah of the Messenger of God, may God bless him and grant him peace, and adhere to his guidance, and when the Sunnah of the Mustafa was this place, God has set up for it in preservation, critics, and enemy who are vigilant. And since it was for the sake of these preservation, Imam Al -Bukhari and Muslim, the scholars have explained their books, and commented on them, and among these is the author of this book, Imam Al -Hafiz, the ruler, the owner of Al -Mustadrak Abu Abdullah Muhammad bin Abdullah bin Muhammad bin Hamdawiya bin Naim Al -Dai Al -Tahhani Al -Nisaburi - and he went to a request Knowledge in his early youth, the high aspirations of Khurasan, Iraq and beyond the river, and heard about two thousand sheikhs in his country and in his trips in Khorasan and beyond the river and other countries such as Iraq and Hijaz. He had many and important works in the hadith and his men. Including his book, in which the names of those who were directed by Muhammad bin Ismail Al -Bukhari in the correct mosque, and Muslim bin Hajjaj in the correct Musnad in three aspects: what they agreed upon, then what was unique to Al -Bukhari, then what was unique in his direction of Muslim on the letters of the dictionary.