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Prepared by Rabbi N. Slifkin
of Kollel Iyun Hadaf, Yerushalayim
Rosh Kollel: Rabbi Mordecai Kornfeld


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Nedarim 57

1) WHAT COMES FROM FRUITS

(a) (Mishnah): 'These fruits are forbidden to me, or to my mouth' - he is also forbidden in what they are exchanged for and what grows from them;
(b) 'That I will eat and taste" - he is permitted what they are exchanged for and what grows from them, if it is a species in which the seed dissipates;
1. If the seed remains intact, he is forbidden even in what grows from what grows from the original fruit.
(c) Reuven told his wife - 'What you produce is forbidden to me, or to my mouth' - he is also forbidden in what they are exchanged for and what grows from them;
(d) 'That I will eat and taste' - he is permitted what they are exchanged for and what grows from them, if it is a species in which the seed dissipates;
1. If the seed remains intact, he is forbidden even in what grows from what grows from the original fruit.
(e) Reuven told his wife - 'What you make, I will not taste or wear until Pesach' - what she makes before Pesach, is permitted after Pesach;
1. 'What you make before Pesach, I will not taste or wear' - what she makes before Pesach, is forbidden after Pesach;
(f) 'You may not benefit from me until Pesach, if you go to your father's house before Sukos - if she went before Pesach, she may not benefit until Pesach;
57b---------------------------------------57b

1. (If she benefited before Pesach, and went) after Pesach, she transgresses "He will not profane his word".
(g) 'You may not benefit from me until Sukos, if you go to your father's house before Pesach - if she went before Pesach, she may not benefit until Sukos;
1. She is permitted to go after Pesach.
2) DOES GROWTH NULLIFY THE SOURCE?
(a) (Gemara - Yishmael of Yama) Question: An onion was uprooted in Shemitah, and planted in the 8th year, and the added growth is more than the bulb (that was planted) - what is the law?
1. Do we say, the added growth is permitted, but the bulb is forbidden (has the law of Shemitah produce?
2. Or, not (Ran - the added growth is also forbidden; Tosfos - the bulb is also permitted)?
(b) Answer #1 (R. Yitzchak Nafcha): We can learn from the following.
1. (R. Chanina Trisa'ah): A Terumah onion was planted, and the added growth is more than the bulb, it is permitted.
(c) Objection (R. Yirmiyah): Why learn from 1 teaching of the Amora'im, when this opposes 2 teachings?!
1. Teaching #1 (R. Yochanan) - A sapling (a tree in its first 3 years (Orlah), which is forbidden) was grafted onto a mature tree. There were fruits on the sapling - even if they grow 200 times larger, (the original fruit remains) forbidden.
2. Teaching #2 (R. Yonason): An onion was planted in a vineyard (which makes it forbidden) - even though the vineyard was later uprooted (and the added growth was 200 times the bulb), the bulb remains forbidden.
(d) Answer #2 (R. Ami): We can learn from the following.
1. (R. Yochanan): A Litra (a measure) of onions which were tithed and planted - when they grow, one tithes the entire amount.
i. We see, the bulb is nullified, and we go after the law of the growth (and it is all considered untithed).
(e) Rejection: We cannot answer the question from this - perhaps we only say that the bulb is nullified to be stringent.
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