Reference: Sharh ‘Umdatil-Fiqh – Tape No.6, Question No.62
Question: After completing the prayer, I began to doubt whether I [sat and] recited the first tashahhud or not. So what is the ruling [regarding that]?
Response: [The ruling regarding] doubt after completing an act of worship is not to let it concern you. Do not let it concern you, once you have completed the act of worship.
