POINT BY POINT SUMMARY
Prepared by P. Feldman of Kollel Iyun Hadaf, Yerushalayim Rosh Kollel: Rabbi Mordecai Kornfeld
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Nedarim 28
1) FALSE VOWS
(a) (Mishnah): Beis Shamai say, one may falsely vow, but not
swear; Beis Hillel say, one may even swear;
(b) Beis Shamai say, one may only vow if requested; Beis
Hillel say, one may himself offer to vow;
(c) Beis Shamai say, one may only vow as requested; Beis
Hillel say, one may increase on the vow.
1. The robber asked Reuven to vow, 'If I am lying, my
wife should be forbidden to benefit from me'; Reuven
vowed 'If I am lying, my wife and children should be
forbidden'.
2. Beis Shamai say, his wife is permitted, his children
are forbidden; Beis Hillel say, both are permitted.
(d) (Gemara) Question: But Shmuel said, the laws of the
country must be followed!
(e) Answer #1 (Rav Chinena citing Shmuel): The tax collector
in the Mishnah takes as much as he wants.
(f) Answer #2 (d'Vei R. Yanai): The tax collector was
self-appointed (i.e. not by the king).
(g) (Mishnah): One may falsely vow that the property belongs
to the king.
(h) Question: What vow does he say?
(i) Answer (Rav Amram): '(All) fruits should be forbidden to
me if this is not the king's'.
(j) Question: If so, they indeed become forbidden to him!
(k) Answer: He says, '(All) fruits should be forbidden to me
today if this is not the king's'.
(l) Objection: The tax collector will not accept such a vow!
(m) Answer: He only says 'today' in his heart, not with his
lips.
1. Even though unspoken conditions are ignored, in the
case of Ones they are valid.
(n) (Mishnah): Beis Shamai say, one may vow (but not
swear)... only as requested; Beis Hillel say, one may
increase on the vow;
1. He asked Reuven to vow, 'If I am lying, my wife
should be forbidden to benefit from me'; Reuven
vowed 'If I am lying, my wife and children should be
forbidden'.
2. Beis Shamai say, his wife is permitted, his children
are forbidden; Beis Hillel say, both are permitted.
(o) (Beraisa): Beis Shamai say, one may not open to him with
an oath (i.e. without being asked); Beis Hillel say, he
may open.
(p) Question #1: We infer, Beis Shamai do not allow offering
to swear - but one may offer to vow!
1. In the Mishnah, Beis Shamai forbid this!
(q) Question #2: We infer, Beis Shamai do not allow offering
to swear - but one may swear if requested!
1. In the Mishnah, Beis Shamai forbid this!
(r) Answer #1 (To both questions): The Tana of the Mishnah
taught the argument by (offering to) vow, to show how
stringent Beis Shamai are; the Tana of the Beraisa taught
the argument by (offering to) swear, to show how lenient
Beis Hillel are.
(s) Answer #2 (Rav Ashi): (The Beraisa has nothing to do with
swearing to tax collectors;) Beis Shamai say, we do not
open (annul) oaths; Beis Hillel say, we do.
2) IRREDEEMABLE HEKDESH
(a) (Mishnah): These saplings should be Hekdesh if they are
not uprooted; this Talis should be Hekdesh if it is not
burned - they may be redeemed;
(b) These saplings should be Hekdesh until they are uprooted;
this Talis should be Hekdesh until it is burned - they
may not be redeemed.
28b---------------------------------------28b
(c) (Gemara) Question: The Mishnah should say directly, they
are Hekdesh (and not that they may be redeemed)!
(d) Answer: Since the end of the Mishnah must teach, 'They
may not be redeemed', the beginning of the Mishnah said
'They may be redeemed'.
(e) Question: What was his vow?
(f) Answer (Ameimar): 'If they are not uprooted today', and
they were not uprooted that day.
(g) Objection: This is obvious!
(h) Answer: The case is, there was a strong wind (and they
were standing to be uprooted).
(i) Objection: But in the case of the Talis - is it really
standing to be burned?!
(j) Answer: Yes! The case is, there is a fire.
1. One might have thought, he is only vowing because he
thinks they will not be saved.
2. We hear, this is not so - he wants to make them
Hekdesh if they are saved.
(k) (Mishnah): These saplings are Hekdesh ...
(l) Question: Are they always Hekdesh (why can't they be
redeemed)?!
(m) Answer #1 (Bar Pada): The Mishnah teaches, no matter how
many times they are redeemed before they are uprooted
they become Hekdesh again;
1. Once uprooted, if they are redeemed, they become
Chulin.
(n) Answer #2 (Ula): Once they are cut, there is no need to
redeem them (they are automatically Chulin).
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