(Lomdus alert: this question is not for beginners.) In Maseches Demai (5:10-11) we learn that taking teruma from a vadai (=untithed produce) on demai (=possibly untithed produce) does not work, even ...
In Mishna 1 of of the Eighth Perek of Masechet Sanhedrin it states that we know the ages in which the halachot of ben sorrer u'moreh apply from the fact that the Torah says "ben" (boy) and not "ish" ...
If Reuben's sister, Hanna, is a slave and she and Reuben have sexual intercourse, are their children slaves or mamzeirim? Acc. to the Mishna in Yevamot 4:12-13, the offspring of a forbidden ...
The mishna in Shabbos 4(1) tells us which materials may not be used to insulate foods for Shabbos because they "add heat". One of these materials is salt. Can anyone explain how salt can add heat ...