سنن ابن ماجه 1212

It was narrated that ‘Abdullah said:“The Messenger of Allah (ﷺ) said: ‘If anyone of you is uncertain about his prayer, let him try to do what is correct then let him prostrate twice.’” Tanafisi said: "This is the basic rule, and no one is able to reject it

Rapporté par ‘Abdullah : Le Messager d’Allah (ﷺ) a dit : “Si l’un de vous a un doute sur sa prière, qu’il essaie de faire ce qui est correct puis qu’il fasse deux prosternations.” Tanafisi a dit : “C’est la règle de base, et personne ne peut la rejeter.”