مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ حَمَّادِ بْنِ عِيسَى عَنْ شُعَيْبٍ عَنْ أَبِي بَصِيرٍ عَنْ أَبِي عَبْدِ اللَّهِ ع قَالَ:
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إِذَا لَمْ تَدْرِ خَمْساً صَلَّيْتَ أَمْ أَرْبَعاً فَاسْجُدْ سَجْدَتَيِ السَّهْوِ بَعْدَ تَسْلِيمِكَ وَ أَنْتَ جَالِسٌ ثُمَّ سَلِّمْ بَعْدَهُمَا.
Read English translationHide English translationMuhammad Sarwar — attributed by Thaqalayn
6. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Hammad ibn ‘Isa from Shu’ayb from abu Basir who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘If you do not know whether you have performed five Rak‘at or four, perform two Sajdah (prostration) because of mistake after Salam (the phrase of offering greeting of peace) in a sitting position and thereafter say Salam (the phrase of offering greeting of peace).”’
Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.
Hadith gradings
1- صحيحAllamah Baqir al-MajlisiMirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (15/201)