Mistakes in Salah (Prayer) of Three or Four Rak‘at

“I once asked him (the Imam) (a.s.), about a man who performs Salah (prayer) but does not know if he is in the third or fourth Rak‘at. He (the Imam) said, ‘It depends on what his guessing indicates. If he according to…

“Abu ‘Abd Allah (a.s.), has said, ‘If one’s guess settles on his performing three or four Rak‘at, he says the phrase of offering greeting of peace, then performs two Rak‘at and four Sujud (prostrations) with al-Fatihah…

“I once asked one of the two Imam, ‘Alayhim al-Salam, about a man who performs Salah (prayer) but does not know if he is in the second or fourth Rak‘at but he knows that he has performed two Rak‘at. He (the Imam) said,…

“I once asked abu ‘Abd Allah (a.s.), about a man who does not know if he has performed two Rak‘at or four. He (the Imam) said, ‘He says Tashahhud (testimonies of belief) and the phrase of offering greeting of peace, then…

“He (the Imam) (a.s.), has said, ‘The case of doubt whether it is three or four or if it is two or four is of the same position. If one doubts and does not know if he has performed three or four and his doubt about both…

“Abu ‘Abdullah (a.s.), about the case of one who performs Salah (prayer) and doubts if he has prayed two, three, or four Rak‘ah, has said, ‘ He stands up and performs two Rak’ah in a standing position. He then says the…

“Abu ‘Abdullah (a.s.), has said, ‘If you do not know whether you have performed three or four Rak’ah and your thought settles on three, then consider it three. If your thought settles on four, say Salam (the phrase of…

“Abu ‘Abdullah (a.s.), has said, ‘ You may not know whether you have performed two or four Rak’ah and your guess about one side is not greater than the other side. You must say Tashahhud (testimonies of belief) and Salam…

“Abu ‘Abdullah (a.s.), has said, ‘ One may not know whether he has performed three or four and his guess about both sides is equal. (For such case) he (the narrator) has said that he (the Imam) said, ‘If his guess is…