A comparison between the copies of the book at the author's statement: "If something remains, he takes it, and with a fetus whose existence has been confirmed"?

The questioner:
The Honorable Shaykh, may Allah grant you success, says: In the copy that was read to you, it states: "and it is valid for his slave, if he owns him in common as a third, and he frees him to the extent of his share. If something remains, he takes it, and with a fetus whose existence has been confirmed." In another copy, it reads "for a fetus whose existence has been confirmed" with the letter lam, not with the letter ba. Is there a difference between...

The Shaykh:
No, the apparent meaning is "for a fetus," so the bequest is valid for the fetus whose existence has been confirmed, meaning...

The questioner:
...meaning its existence in the womb. As for if its existence has not been confirmed, the bequest is not valid for it, because it is non-existent. So it is with the letter lam.