BACKGROUND ON THE DAILY DAF
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Previous daf Nedarim 87
NEDARIM 87 & 88 (First days of Sukos) - dedicated by Mrs. G. Turkel (Rabbi
Kornfeld's grandmother), an exceptional woman who accepted all of Hashem's
Gezeiros with love and who loved and respected the study of Torah. Tehei
Nafshah Tzerurah bi'Tzror ha'Chaim.
1) [line 1] KERA'IM - rents that are made in garments, for mourning
2) [line 17] B'SOCH KEDEI DIBUR
"Toch Kedei Dibur" is the length of time that it takes for a student to say
a greeting to his teacher (e.g. "Shalom Aleicha Rebbi"). "K'dibur Dami"
means that within this small amount of time, we view an act or speech as not
yet completed and still continuing. Thus, even though the person has, with
regard to his actions, already stopped performing the act, within this
amount of time he may act or say something that will abrogate his previous
actions or words. For example, if a person sells an object and changes his
mind within Toch Kedei Dibur, the sale is nullified.
3) [line 19] MEGADEF
The Torah states that a Megadef is punishable with Kares (Bamidbar 15:30).
There are two opinions regarding the definition of the Megadef in that
verse: (a) a person who curses Hashem; (b) a person who plays music and
sings to Avodah Zarah. However, the Megadef in our Gemara is clearly the
former, since playing music to Avodah Zarah is prohibited along with
worshipping Avodah Zarah, which is already mentioned in the Gemara.