مصنف ابن ابي شيبه
Musannaf Ibn Abi Shaybah
سجود السهو والعمل في الصلاةProstration of Forgetfulness and Actions in Salah
في الرجل يصلي (فلا يدري) زاد أو نقصIf Someone Prayed but Does Not Know How Many Rak‘ahs He Prayed, What Should He Do?
Hadith 4477
٤٤٧٧ - حدثنا حفص عن يحيى عن سالم قال: يبني على ما يستيقن (قيل) (١) له: ويسجد سجدتين قال: نعم.
Hazrat Salim says that he will act upon what he is certain of. He was asked whether he will perform Sajdah Sahw? He replied, yes.
