Hadith.1009 - Mansour ibn Hazim asked Imam عليه السلام about a person who prayed and then remembered that he had added an extra prostration.
Imam عليه السلام said: "He does not need to repeat his prayer due to the extra prostration, but he must repeat it from the point of the ruku' (bowing)”.
1010
1010 - وَ رَوَى عَامِرُ بْنُ جُذَاعَةَ عَنْهُ عليه السلام أَنَّهُ قَالَ: «إِذَا سَلِمَتِ اَلرَّكْعَتَانِ اَلْأَوَّلَتَانِ سَلِمَتِ اَلصَّلاَةُ.
Hadith.1010 - Amir ibn Jadh'ah narrated from Imam عليه السلام that He said:
"If the first two rak'ahs are correct, the whole prayer is correct”.