If one is convinced in his mind that the impurity

Question : He says: You do not have to repeat it.

Answer : Now, if he is convinced in his mind that it was before the prayer, then he does not have to repeat it, because a strong suspicion here is like doubt, and doubt is like non-existence. This is why, when the Messenger of Allah (peace and blessings be upon him) was asked about a man who is uncertain while in his prayer whether something came out of him, he said: "He does not leave his prayer until he hears a sound or finds a smell." And because the rule is that certainty is not removed except by certainty.
So it is not possible for a certain thing to be removed by something suspected or doubtful. So, have you understood this situation now? Is it clear? After he prayed.
And he remained for a while, then he saw impurity on his garment, but he says: I do not know whether this impurity affected me before I completed my prayer or after. We tell him: Your prayer is valid and you do not have to repeat it. Now,