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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
suyuti:2-1207b – Saʿīd b. al-Musayyib > ʿUmar
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السيوطي:٢-١٢٠٧b –

"عَنْ سَعِيدِ بْنِ الْمُسَيِّب، عَنْ عُمَرَ قَالَ: كُلُّ ذَلِكَ قَدْ كَانَ أَرْبَعًا وَخَمْسًا، فاجتمعنا على أربعٍ: التَّكْبير على الجنَازَةِ".  

[ق] البيهقى في السنن

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Collected by Bayhaqī
bayhaqi:6946 – Abū Ḥāzim al-Ḥāfiẓ > Abū Aḥmad Muḥammad b. Muḥammad al-Ḥāfiẓ > Abū al-Qāsim ʿAbdullāh b. Muḥammad b. ʿAbd al-ʿAzīz al-Baghawī > ʿAlī b. al-Jaʿd > Shuʿbah > ʿAmr b. Murrah > Saʿīd b. al-Musayyib > ʿUmar

[Machine] All of that has been forty-five, so we gathered on four in the takbeer during the funeral.  

البيهقي:٦٩٤٦ – أَخْبَرَنَا أَبُو حَازِمٍ الْحَافِظُ أنبأ أَبُو أَحْمَدَ مُحَمَّدُ بْنُ مُحَمَّدٍ الْحَافِظُ ثنا أَبُو الْقَاسِمِ عَبْدُ اللهِ بْنُ مُحَمَّدِ بْنِ عَبْدِ الْعَزِيزِ الْبَغَوِيُّ بِبَغْدَادَ ثنا عَلِيُّ بْنُ الْجَعْدِ ثنا شُعْبَةُ عَنْ عَمْرِو بْنِ مُرَّةَ قَالَ سَمِعْتُ سَعِيدَ بْنَ الْمُسَيِّبِ يُحَدِّثُ عَنْ عُمَرَ ؓ قَالَ

كُلُّ ذَلِكَ قَدْ كَانَ أَرْبَعًا وَخَمْسًا فَاجْتَمَعْنَا عَلَى أَرْبَعٍ فِي التَّكْبِيرِ عَلَى الْجِنَازَةِ