Daf A Week · Judaism 101: The Foundations · Deep-Dive

Nedarim 58

Deep-DiveJudaism 101: The FoundationsDecember 6, 2025

Hook

Welcome, dear friends, to another journey into the heart of Jewish wisdom! Imagine for a moment that you're in a busy kitchen, perhaps preparing a special holiday meal. You've got various ingredients, some carefully sourced, others perhaps a little unusual. Suddenly, a tiny speck of something you know is forbidden – let's say a single non-kosher raisin – accidentally falls into a large bowl of otherwise kosher dough. What do you do? Do you throw out the entire batch, a substantial loss of time, effort, and resources? Or is there a point at which such a small, foreign element simply gets "lost" in the overwhelming majority, effectively neutralized?

This isn't just a hypothetical culinary crisis; it’s a profound question that lies at the very core of Jewish law, Halakha. It delves into the nature of prohibition, the limits of human error, and the wisdom embedded in our traditions. The concept we're grappling with is called bittul b'rov, which literally means "nullification in a majority." It's the idea that a small, forbidden item can sometimes become nullified when mixed with a larger, permitted quantity of the same or a similar type of item. On the surface, it seems like a simple mathematical equation, a straightforward ratio. But as we'll soon discover in our exploration of Nedarim 58, the Sages of the Talmud reveal a breathtaking depth and nuance to this principle, demonstrating that not all prohibitions are created equal.

Think about other areas of life where such distinctions exist. In a legal system, some infractions are minor, leading to a small fine or warning, while others, even if seemingly small in their immediate impact, carry severe consequences due to their fundamental nature. A parking ticket is one thing; a deliberate act of fraud, even for a small sum, is quite another. Both involve breaking a rule, but their underlying character and the potential for rectification differ significantly. Similarly, in medicine, a minor allergic reaction might be managed with an antihistamine, but a severe, life-threatening anaphylactic shock requires immediate, drastic intervention, even if the trigger was a minuscule amount of a particular allergen. The severity and nature of the forbidden element, and its potential for "cure" or "rectification," dictate the response.

Our Gemara today plunges us into this fascinating world of halachic distinctions, particularly concerning agricultural produce and items with inherent sanctity. It asks: When can a forbidden item be nullified in a mixture? And perhaps more importantly, why are certain items treated differently than others? We'll encounter a fundamental concept: the distinction between an item "that can become permitted" (davar she'yesh lo matirin) and an item "that cannot become permitted" (davar she'ein lo matirin). This difference, as we will see, is the key to unlocking the Gemara's intricate logic. The Sages aren't just creating arbitrary rules; they are meticulously analyzing the very essence of each prohibition, its source, its purpose, and its potential for transformation. This discussion is not just about ancient produce; it’s about the very structure of Halakha and the profound intellectual rigor applied by our Sages to ensure that Jewish life is both meaningful and manageable. So, let's open our minds and hearts to this rich text, ready to uncover the wisdom behind the rules.

Context

Before we dive into the specific text, let's lay a foundational understanding of where we are and the key concepts we'll encounter. This will ensure we're all speaking the same language as we navigate the intricate discussions of the Gemara.

What is Nedarim?

The tractate Nedarim in the Talmud primarily deals with the laws of vows and oaths. While our text today seems to shift focus to agricultural laws and mixtures, it's common for the Talmud to branch out into related or analogous topics to explore deeper halachic principles. The Gemara often uses a concept from one area of Halakha to illuminate or challenge an idea in another, showcasing the interconnectedness of Jewish law.

What is the Talmud?

The Talmud is the foundational text of Rabbinic Judaism, a comprehensive record of rabbinic discussions pertaining to Jewish law, ethics, philosophy, customs, and history. It's primarily a commentary on the Mishnah (the codified oral law), with layers of discussion, debate, and legal reasoning known as Gemara. When we say "the Gemara asks" or "the Sages say," we are referring to the voices within this vast, multi-generational conversation.

Key Terms: Issur v'Heter (Forbidden and Permitted)

This fundamental dichotomy underpins much of Jewish law. Issur refers to something forbidden, a prohibition. Heter refers to something permitted. The Gemara we are studying is deeply concerned with how something that is issur can, under certain circumstances, become heter or be rendered null.

Key Terms: Bittul b'rov (Nullification in a Majority)

This is the central concept. It posits that a forbidden item, when mixed with a larger quantity of permitted items, can lose its individual identity and thus its prohibitive power. The classic ratio is 1 part forbidden to 60 parts permitted (battel b'shishim), but this varies greatly depending on the nature of the forbidden item and the mixture.

Key Terms: Davar she'yesh lo matirin (Item that can become permitted)

This refers to a forbidden item whose prohibition is temporary or conditional, and which can be lifted through a specific action or the passage of time. For example, untithed produce can become permitted by tithing. Such items are generally not nullified in a mixture, even a large one, because the Sages want to ensure the mitzvah (commandment) of rectifying the item is performed.

Key Terms: Davar she'ein lo matirin (Item that cannot become permitted)

This refers to a forbidden item whose prohibition is permanent and cannot be lifted through any action or time. For example, orla (fruit from a tree's first three years) is permanently forbidden. These items can often be nullified in a mixture, as there is no mitzvah to perform to rectify them; the prohibition is absolute.

Key Terms: Specific Produce and Sanctities

  • Tevel: Untithed produce. Before tithing, it is forbidden to eat.
  • Ma'aser Sheni (Second Tithe): A portion of produce set aside in the first, second, fourth, and fifth years of the seven-year agricultural cycle. It must be eaten in Jerusalem or redeemed for money, which is then spent on food in Jerusalem.
  • Hekdesh (Consecrated Items): Items dedicated to the Temple or for sacred use. They are forbidden for ordinary use and often require redemption.
  • Chadash (New Crop): Grain from the new harvest, forbidden to be eaten until after the Omer offering is brought on the 16th of Nisan.
  • Teruma: The priestly gift, a portion of produce given to a kohen (priest). It is holy and forbidden to non-priests.
  • Terumat Ma'aser: A tithe of the tithe, given by the Levite to the kohen. Also holy and forbidden to non-priests.
  • Challah: A portion of dough separated and given to a kohen. It is holy and forbidden to non-priests.
  • Orla: Fruit from a tree during the first three years after its planting. Permanently forbidden.
  • Kil'ay HaKerem (Forbidden Food Crops in a Vineyard): Growing certain forbidden crops (e.g., grain, vegetables) in a vineyard. Both the vineyard produce and the forbidden crop become forbidden.
  • Shevi'it (Sabbatical Year Produce): Produce grown during the Sabbatical year (every seventh year), which has a unique sanctity and specific rules regarding its consumption, ownership, and disposal.

With these terms in mind, we are now ready to engage with the text and unravel its fascinating legal and conceptual arguments.

Text Snapshot

For any item that can become permitted, i.e., a forbidden object whose prohibition can or will lapse, for example, untithed produce that can be permitted through tithing, and second tithe that is permitted through redemption or bringing it to Jerusalem (Deuteronomy 14:24–26), and consecrated items that are also permitted through redemption, and produce of the new crop that is permitted after the sacrifice of the omer offering (Leviticus 23:14), the Sages did not determine a measure for their neutralization, and no mixture with any quantity of permitted items neutralizes their prohibition. And for any item that cannot become permitted, for example, teruma, and teruma of the tithe, and ḥalla (Numbers 15:20–21); fruit of a tree during the first three years after its planting [orla]; and forbidden food crops in a vineyard (Deuteronomy 22:9), the Sages determined a measure for their neutralization.,The Rabbis said to Rabbi Shimon: But isn’t Sabbatical-Year produce an item that cannot become permitted, and nevertheless, the Sages did not determine a measure for its neutralization, as we learned in a mishna (Shevi’it 7:7): The Sabbatical-Year produce prohibits permitted produce of its own species with which it is mixed in any amount. Rabbi Shimon said to them: I too said that Sabbatical-Year produce prohibits permitted produce in a mixture and permitted growths that develop from it only with regard to the removal of the produce. Sabbatical-Year produce may be eaten only as long as produce of that species remains in the field, after which it must be removed from one’s possession. Since it is permitted to eat the produce before that time, its legal status during this period is that of an item that can become permitted.,However, with regard to the permissibility of eating Sabbatical-Year produce after the time of removal has passed, when eating that produce is prohibited, the Sages determined a measure for their neutralization. The mixture is forbidden only if the measure of that produce is enough to impart flavor to the mixture. Apparently, permitted growths can neutralize the prohibition of the original item. The Gemara rejects the proof: And perhaps here too, it is different when the ruling is a stringency. In this case, the stringency is that the original item is sacred with the sanctity of the Sabbatical Year. However, here too, there is no proof that the same would be true in cases where the result is a leniency.,Rather, Yishmael of Kefar Yamma resolved his dilemma from this source, as we learned in a mishna (Shevi’it 6:3): With regard to sixth-year onions upon which rain fell during the Sabbatical Year, and they sprouted, if their leaves were black [sheḥorin], i.e., dark green, an indication of fresh, recent growth, the onions are forbidden as Sabbatical-Year growth. If their leaves turned green [horiku], i.e., lighter and yellower, and appeared withered, the onions are permitted, as they are considered a product of the sixth year.,Rabbi Ḥanina ben Antigonus says: There is a different indicator; if the plants can be uprooted by their leaves, clearly the leaves are fresh and recent, and they are forbidden. And in the parallel situation, if that indicator was discovered in a Sabbatical-Year onion that sprouted at the conclusion of the Sabbatical Year, i.e., during the eighth year, the onions are permitted. The Gemara asks: Is this to say that one may conclude from here that permitted growth neutralizes the prohibition of the original plant? The Gemara rejects this conclusion: And perhaps the halakha is with regard to crushed [medukhanin], pounded onions, and the reason that the prohibition of the original plant is neutralized is not that the permitted growth neutralizes the prohibition, but that it is no longer fit for consumption.,Rather, the dilemma can be resolved from this source; as it is taught in a baraita: One who weeds ḥasayot with a Samaritan may eat a casual meal from them without tithing, as any untithed produce may be eaten in the framework of a casual meal. And when he completes the labor on the ḥasayot, places them into a pile, and they require tithing, he tithes them as produce that is definitely obligated in tithing, not as doubtfully tithed produce, as the assumption is that the Samaritan did not tithe the ḥasayot.,Rabbi Shimon ben Elazar says: If the ḥasayot belong to a Jew who is suspect about observance of the Sabbatical Year, at the conclusion of the Sabbatical Year it is permitted to weed with him, as there is no concern that there might be Sabbatical-Year sanctity. The Gemara asks: Is this to say that the permitted growths of the eighth year neutralize the prohibition, and that is why there is no concern about Sabbatical-Year sanctity? The Gemara rejects that inference: And perhaps the tanna is speaking with regard to an item whose seeds cease after it is sown, whose growths neutralize the original prohibition? The Gemara rejects that possibility: Isn’t it taught in a baraita: These are ḥasayot, for example, arum, garlic, and onions, whose seeds do not cease?,The Gemara asks: And perhaps the tanna is speaking with regard to plants that were crushed before they sprouted growths? The Gemara answers: It is the case of one who is suspect about observance of the Sabbatical Year, that is taught in the baraita, and one who is suspect would not bother to eliminate the prohibition by crushing it. The Gemara asks: And perhaps the tanna is speaking with regard to a mixture of forbidden ḥasayot and permitted ones, and the reason that it is permitted is that the prohibition was neutralized by the majority of permitted ḥasayot? The Gemara answers: One who weeds, is taught in the baraita, indicating that he is eating the leaves as he weeds them, leaving no opportunity for the ḥasayot to be mixed with others.,The Gemara suggests: Let us say that this is a conclusive refutation of the opinions of Rabbi Yoḥanan and Rabbi Yonatan, who stated regarding orla and food crops in a vineyard that their permitted growth does not neutralize the prohibition of the original fruit or food crops respectively. Rabbi Yitzḥak said: The Sabbatical-Year produce is different. Since its prohibition is engendered by means of the ground, its nullification is effected by means of the ground as well. The prohibition can be neutralized by means of the growth that results from replanting the forbidden plant in a permitted manner.,The Gemara asks: Isn’t there the case of tithe, whose prohibition is engendered by means of the ground, but its nullification is not effected by means of the ground? As it is taught in a baraita: With regard to a litra of untithed first tithe from which the teruma of the tithe was not taken, which one sowed in the ground, and it grew and it is now approximately ten litra, that additional growth is obligated to have tithe taken and is subject to the halakhot of Sabbatical-Year produce. And with regard to that original litra of untithed first tithe that he sowed, one tithes for it from produce in a different place, and not from the litra itself, based on a calculation of how much teruma of the tithe needed to be taken from that litra. Apparently, the growth that results from sowing the first tithe in the ground does not neutralize its prohibition.

Breaking It Down

Our Gemara begins with a foundational principle concerning the nullification of forbidden items in a mixture. This principle serves as the bedrock for many halachic discussions, especially in areas like kashrut (dietary laws) and agricultural offerings.

The Fundamental Distinction: "Can Become Permitted" vs. "Cannot Become Permitted"

The text starts by categorizing forbidden items into two main groups, each with a distinct halachic outcome when mixed with permitted items. This is a crucial distinction, and understanding it is key to grasping the Gemara's logic.

Items That Can Become Permitted (Davar she'yesh lo matirin)

The Gemara states: "For any item that can become permitted, i.e., a forbidden object whose prohibition can or will lapse... the Sages did not determine a measure for their neutralization, and no mixture with any quantity of permitted items neutralizes their prohibition."

  • Explanation: These are items whose forbidden status is not absolute or permanent. There's a specific, prescribed action or a condition that, when met, will lift the prohibition. Because there's a path to permissibility, the Sages stringently rule that these items can never be nullified in a mixture. The underlying rationale is that if they could be nullified, people might become lax and neglect the mitzvah (commandment) of rectifying them. The mitzvah is paramount, and the prohibition serves as a strong incentive to fulfill it.

  • Examples from the Text and Commentaries:

    1. Untithed Produce (Tevel): This is produce that has not yet had the various terumot and ma'asrot (tithes and priestly/Levitical gifts) separated from it. It's forbidden to eat tevel.

      • How it becomes permitted: By separating the required tithes. The Ran (Nedarim 58a:1:1) clarifies that even if tevel gets mixed with permitted produce (chulin), one can still separate the tithes "from another place" (i.e., from other chulin that are definitely chulin and not mixed with tevel, or from produce of doubtful status, demai, as Tosafot (Nedarim 58a:1:1) notes). This act of tithing rectifies the tevel, making it permissible. Rashi (Nedarim 58a:1:1) similarly emphasizes that "it has that which permits it, for one fixes it and it becomes permitted."
      • Why no nullification: Because the mitzvah of tithing is still applicable and necessary. If a single grain of tevel could be swallowed up by a thousand grains of chulin, people might simply let it go, thereby neglecting a crucial agricultural commandment.
    2. Second Tithe (Ma'aser Sheni): This produce, as mentioned in Deuteronomy 14:24-26, was to be brought to Jerusalem and eaten there.

      • How it becomes permitted: If it's too cumbersome to transport, it can be redeemed for money, and that money must then be used to purchase food in Jerusalem. The Ran (Nedarim 58a:1:1) and Rashi (Nedarim 58a:1:1) both highlight this "redemption" as its means of permissibility.
      • Why no nullification: The sanctity of Ma'aser Sheni is not meant to simply disappear. It requires a specific act of redemption or consumption in Jerusalem, preserving its unique status.
    3. Consecrated Items (Hekdesh): Items dedicated to the Temple or for sacred use.

      • How it becomes permitted: Through redemption, where a non-sacred item of equivalent value is given to the Temple treasury, and the original item becomes permitted for ordinary use. Again, Ran and Rashi mention redemption as the matir (permitter).
      • Why no nullification: The sanctity of hekdesh is robust. It's a dedication to God, and this dedication requires a formal process of transfer (redemption) rather than simple disappearance in a mixture.
    4. New Crop (Chadash): Grain from the new harvest is forbidden until the Omer offering (a barley sheaf) is brought in the Temple on the 16th of Nisan (Leviticus 23:14).

      • How it becomes permitted: By the bringing of the Omer offering. The Ran (Nedarim 58a:1:2) and Rashi (Nedarim 58a:1:1) explicitly state, "the Omer permits it."
      • Why no nullification: This is a time-bound prohibition, but it's lifted by a specific ritual act. The prohibition ensures that the Omer offering, symbolizing the first fruits of the new harvest, is duly recognized and brought.
  • Nuance (Ran): The Ran (Nedarim 58a:1:3) adds a crucial detail: while these items are "not nullified" in a mixture with their own species (meaning they prohibit any amount, asur b'kol shehu), if they are mixed with items of a different species, they are only forbidden if they "impart flavor" (noten ta'am). This shows that even for davar she'yesh lo matirin, the stringency is primarily when the forbidden item is indistinguishable from the permitted one.

Items That Cannot Become Permitted (Davar she'ein lo matirin)

The Gemara continues: "And for any item that cannot become permitted... the Sages determined a measure for their neutralization."

  • Explanation: These are items whose forbidden status is permanent. There's no action, no ritual, and no passage of time that can make them permissible. Since there's no mitzvah to perform to rectify them, the Sages allowed for their nullification in a sufficiently large mixture. The prohibition is still real, but in a scenario of accidental mixture, the law provides a pathway to avoid extreme loss.

  • Examples from the Text and Commentaries:

    1. Teruma, Terumat Ma'aser, and Challah: These are priestly gifts, sacred and forbidden to non-priests (Numbers 15:20-21).

      • Why they cannot become permitted: A non-priest can never eat them. While they can be "redeemed" by giving them to a kohen, the Ran (Nedarim 58a:1:4) clarifies that this isn't considered "permitting" in the same sense as tevel. There's no mitzvah for a non-priest to perform to enable himself to eat it. The prohibition for the non-priest is absolute.
      • Nullification measure: The Ran (Nedarim 58a:1:5) and Rashi (Nedarim 58a:1:2) state that teruma is nullified in 100 parts of permitted produce (1:100). This means if one part of teruma accidentally mixes with 100 parts of ordinary produce, the teruma is nullified, and the entire mixture becomes permitted for a non-priest.
    2. Fruit of a tree during the first three years after its planting (Orla): This fruit is permanently forbidden (Leviticus 19:23).

      • Why it cannot become permitted: There is no ritual to perform; one must simply wait for the fourth year. The fruit itself remains forbidden.
      • Nullification measure: The Ran (Nedarim 58a:1:5) and Rashi (Nedarim 58a:1:2) specify that orla is nullified in 200 parts (1:200). This higher ratio reflects a greater stringency for orla.
    3. Forbidden food crops in a vineyard (Kil'ay HaKerem): Growing certain crops in a vineyard is prohibited, and both the vineyard's produce and the forbidden crop become forbidden (Deuteronomy 22:9).

      • Why it cannot become permitted: The mixture itself is fundamentally flawed, and the resulting produce is permanently forbidden.
      • Nullification measure: The Ran (Nedarim 58a:1:5) indicates that kil'ay hakerem is also nullified in 200 parts (1:200).
  • Analogy: Think of davar she'yesh lo matirin as a temporarily locked door. You have the key (the mitzvah to perform), and you can open it. The Sages want to ensure you use that key, so they make it impossible for the door to just 'disappear' or be ignored. Davar she'ein lo matirin is like a bricked-up wall. There's no key, no way to open it. So, if a small piece of this wall somehow contaminates a large, open space, the Sages might allow it to be ignored, recognizing the permanent nature of its restriction.

The Sabbatical Year (Shevi'it) Challenge

The Gemara immediately presents a challenge to this neat categorization, bringing in the complex laws of Shevi'it (Sabbatical Year) produce.

The Rabbis' Question to Rabbi Shimon

The Gemara states: "The Rabbis said to Rabbi Shimon: But isn’t Sabbatical-Year produce an item that cannot become permitted, and nevertheless, the Sages did not determine a measure for its neutralization, as we learned in a mishna (Shevi’it 7:7): The Sabbatical-Year produce prohibits permitted produce of its own species with which it is mixed in any amount."

  • The Problem: The Rabbis observe that Shevi'it produce, by its very nature, seems to be davar she'ein lo matirin. Once it's Shevi'it produce, it always carries that sanctity, and its unique restrictions (like not being allowed to be bought or sold, and requiring bi'ur – removal from one's possession at a certain point) are permanent. Yet, a Mishnah in Shevi'it rules that it "prohibits in any amount" (asur b'kol shehu), meaning it cannot be nullified in a mixture. This contradicts the principle that davar she'ein lo matirin can be nullified. It seems to behave like a davar she'yesh lo matirin, even though it isn't.

Rabbi Shimon's Resolution: A Nuance of Time and Status

Rabbi Shimon responds: "Rabbi Shimon said to them: I too said that Sabbatical-Year produce prohibits permitted produce in a mixture and permitted growths that develop from it only with regard to the removal of the produce. Sabbatical-Year produce may be eaten only as long as produce of that species remains in the field, after which it must be removed from one’s possession. Since it is permitted to eat the produce before that time, its legal status during this period is that of an item that can become permitted."

  • Explanation: Rabbi Shimon introduces a critical distinction based on the timing and specific prohibition related to Shevi'it produce.

    • Before Bi'ur (Time of Removal): During the period when Shevi'it produce is still permitted to be eaten (i.e., before all produce of that species has disappeared from the fields, triggering the obligation of bi'ur), Rabbi Shimon argues that it is considered davar she'yesh lo matirin. Why? Because during this time, one can eat it. The produce is not forbidden per se, only subject to certain rules regarding its consumption and ownership. Since its consumption is permitted, its status is akin to something that can become permitted (by simply being eaten before bi'ur). Therefore, if it mixes with other produce, it prohibits in any amount (asur b'kol shehu), consistent with davar she'yesh lo matirin.
    • After Bi'ur (Time of Removal has Passed): "However, with regard to the permissibility of eating Sabbatical-Year produce after the time of removal has passed, when eating that produce is prohibited, the Sages determined a measure for their neutralization. The mixture is forbidden only if the measure of that produce is enough to impart flavor to the mixture."
      • Explanation: Once the time for bi'ur has passed, and the produce is forbidden to be eaten, its status changes. Now, it is genuinely davar she'ein lo matirin because it can no longer be eaten. In this specific scenario, Rabbi Shimon argues, it can be nullified in a mixture, specifically using the noten ta'am (imparting flavor) standard. This means if the forbidden Shevi'it produce is mixed with other produce, the entire mixture is only forbidden if the Shevi'it produce is present in a quantity significant enough to impart its flavor to the mixture. This is typically a 1:60 ratio (battel b'shishim).
  • Analogy: Imagine a library book. Before its due date, you can read it. If you lend it to a friend, it's still "available" to you in a sense, and you have the ability to use it. After the due date, it's forbidden to keep it. If it accidentally ends up in a pile of your own books, its "forbiddenness" now has a different character. Rabbi Shimon is saying that the Shevi'it produce's "availability" for consumption before bi'ur makes it behave like davar she'yesh lo matirin, while its "unavailability" after bi'ur makes it behave like davar she'ein lo matirin.

The Gemara's Rejection of the Proof

The Gemara, ever critical, raises a counterpoint: "And perhaps here too, it is different when the ruling is a stringency."

  • Explanation: The Gemara suggests that Rabbi Shimon's distinction might only apply to situations where the Sages were stringent. The rule that Shevi'it produce prohibits "in any amount" might be a specific stringency related to its sanctity, not a general proof about nullification. It doesn't necessarily mean that permitted growth from the Shevi'it produce would nullify the original prohibition in a lenient way. This challenge highlights the Gemara's cautious approach to deriving general principles from specific, potentially exceptional, rulings.

Permitted Growth Nullifying Prohibition?

The discussion shifts to a different, yet related, question: Can permitted growth that sprouts from a forbidden item neutralize the prohibition of the original item? This is a significant point of contention, especially when considering plants that regrow.

Yishmael of Kefar Yamma's Resolution (Onions)

"Rather, Yishmael of Kefar Yamma resolved his dilemma from this source, as we learned in a mishna (Shevi’it 6:3): With regard to sixth-year onions upon which rain fell during the Sabbatical Year, and they sprouted, if their leaves were black [sheḥorin], i.e., dark green, an indication of fresh, recent growth, the onions are forbidden as Sabbatical-Year growth. If their leaves turned green [horiku], i.e., lighter and yellower, and appeared withered, the onions are permitted, as they are considered a product of the sixth year."

  • Explanation: This Mishnah deals with onions (or similar plants) planted in the sixth year that sprout new leaves during the Shevi'it year due to rain. The halakha depends on the appearance of the leaves.
    • Black/Dark Green Leaves (Sheḥorin): Indicate vigorous, recent growth fueled by the Shevi'it year's rain. The entire onion is considered Shevi'it produce and is forbidden (or subject to Shevi'it laws).
    • Green/Yellowed/Withered Leaves (Horiku): Indicate that the growth is not fresh Shevi'it growth, but rather the onion is still primarily from the sixth year. It is therefore permitted.
  • Rabbi Ḥanina ben Antigonus's Indicator: "Rabbi Ḥanina ben Antigonus says: There is a different indicator; if the plants can be uprooted by their leaves, clearly the leaves are fresh and recent, and they are forbidden. And in the parallel situation, if that indicator was discovered in a Sabbatical-Year onion that sprouted at the conclusion of the Sabbatical Year, i.e., during the eighth year, the onions are permitted."
    • Explanation: Rabbi Ḥanina offers a more practical test: if the leaves are strong enough to uproot the whole plant, they are clearly new, vigorous growth. The second part of his statement is crucial: if a Shevi'it onion (forbidden) sprouts during the eighth year (a permitted year), and its leaves are strong, the onion is permitted. This seems to suggest that the new, permitted growth from the eighth year somehow "overrides" or "neutralizes" the prohibition of the original Shevi'it onion.

Gemara's Rejection: "Crushed (Medukhanin)?"

"The Gemara asks: Is this to say that one may conclude from here that permitted growth neutralizes the prohibition of the original plant? The Gemara rejects this conclusion: And perhaps the halakha is with regard to crushed [medukhanin], pounded onions, and the reason that the prohibition of the original plant is neutralized is not that the permitted growth neutralizes the prohibition, but that it is no longer fit for consumption."

  • Explanation: The Gemara is wary of drawing a general principle from a specific case. It proposes an alternative interpretation: perhaps the Mishnah is talking about onions that were crushed before they sprouted. If they were crushed, their original form and identity as a forbidden Shevi'it onion might have been destroyed, rendering them no longer fit for consumption in their original forbidden state. In such a case, it's not the new growth that nullifies the prohibition, but the prior transformation of the original item. This is a common halachic principle: if a forbidden item undergoes a complete change in form or identity (nishtaneh), it can sometimes lose its forbidden status.

The Ḥasayot Baraita

The Gemara seeks another, more conclusive, source to address whether permitted growth can neutralize a prohibition.

The Baraita and Rabbi Shimon ben Elazar's Ruling

"Rather, the dilemma can be resolved from this source; as it is taught in a baraita: One who weeds ḥasayot with a Samaritan may eat a casual meal from them without tithing, as any untithed produce may be eaten in the framework of a casual meal. And when he completes the labor on the ḥasayot, places them into a pile, and they require tithing, he tithes them as produce that is definitely obligated in tithing, not as doubtfully tithed produce, as the assumption is that the Samaritan did not tithe the ḥasayot."

  • Context: Ḥasayot are specific types of root vegetables (arum, garlic, onions, as specified later). Samaritans were often suspect regarding the observance of mitzvot, including tithing. The baraita describes a Jew working with a Samaritan. Eating casually from untithed produce is permitted, but formal consumption requires tithing. "Rabbi Shimon ben Elazar says: If the ḥasayot belong to a Jew who is suspect about observance of the Sabbatical Year, at the conclusion of the Sabbatical Year it is permitted to weed with him, as there is no concern that there might be Sabbatical-Year sanctity."
  • Explanation: Rabbi Shimon ben Elazar's statement is the key here. If a Jew suspect of violating Shevi'it (e.g., by planting during Shevi'it) has ḥasayot that grew from the Shevi'it year into the eighth year, they are permitted. Why? Because there's "no concern that there might be Sabbatical-Year sanctity." This implies the original Shevi'it prohibition has been neutralized.

Gemara's Tests and Rejections of Alternative Explanations

The Gemara rigorously tests this inference, trying to find alternative explanations for why the ḥasayot are permitted, so as not to establish the principle that permitted growth neutralizes prohibition.

  1. "Seeds Cease?" "The Gemara asks: Is this to say that the permitted growths of the eighth year neutralize the prohibition, and that is why there is no concern about Sabbatical-Year sanctity? The Gemara rejects that inference: And perhaps the tanna is speaking with regard to an item whose seeds cease after it is sown, whose growths neutralize the original prohibition? The Gemara rejects that possibility: Isn’t it taught in a baraita: These are ḥasayot, for example, arum, garlic, and onions, whose seeds do not cease?"

    • Explanation: A halachic principle exists that if a plant grows from a seed, and the seed itself "ceases to exist" (i.e., it completely decomposes and is no longer identifiable), then the new growth is considered a completely new entity, and its status is determined by the ground it grew in, not the original seed. The Gemara suggests this might be the reason for permission. However, it refutes this by citing another baraita that explicitly states ḥasayot (arum, garlic, onions) are plants whose "seeds do not cease" – meaning the original bulb or root remains and continues to produce. So, this explanation doesn't work.
  2. "Crushed?" "The Gemara asks: And perhaps the tanna is speaking with regard to plants that were crushed before they sprouted growths? The Gemara answers: It is the case of one who is suspect about observance of the Sabbatical Year, that is taught in the baraita, and one who is suspect would not bother to eliminate the prohibition by crushing it."

    • Explanation: The Gemara again brings up the "crushed" argument from the onion discussion. If the ḥasayot were crushed, their original forbidden identity might be lost. But the Gemara rejects this: a person "suspect" of violating Shevi'it is unlikely to be meticulous enough to intentionally crush the produce to remove its Shevi'it status. The context implies a natural process of growth.
  3. "Mixture?" "The Gemara asks: And perhaps the tanna is speaking with regard to a mixture of forbidden ḥasayot and permitted ones, and the reason that it is permitted is that the prohibition was neutralized by the majority of permitted ḥasayot? The Gemara answers: One who weeds, is taught in the baraita, indicating that he is eating the leaves as he weeds them, leaving no opportunity for the ḥasayot to be mixed with others."

    • Explanation: Perhaps the ḥasayot became permitted through bittul b'rov (nullification in a majority), meaning they were mixed with a sufficient quantity of permitted ḥasayot from the eighth year. But the Gemara notes the baraita's phrasing: "One who weeds." This implies the act of eating is happening during weeding, directly from the plant, before any significant mixing with other, permitted ḥasayot could occur. This refutes the idea of nullification by mixture.
  • Conclusion from Ḥasayot: Having systematically rejected all alternative explanations, the Gemara is left with the strong inference that the permission for the ḥasayot must indeed be due to the "permitted growths" of the eighth year neutralizing the prohibition of the original Shevi'it item.

Conclusive Refutation? Rabbi Yitzḥak's Principle

This conclusion has significant implications, particularly for a specific debate.

Challenge to Rabbi Yoḥanan and Rabbi Yonatan

"The Gemara suggests: Let us say that this is a conclusive refutation of the opinions of Rabbi Yoḥanan and Rabbi Yonatan, who stated regarding orla and food crops in a vineyard that their permitted growth does not neutralize the prohibition of the original fruit or food crops respectively."

  • Explanation: If the conclusion from the ḥasayot baraita is correct – that permitted growth can neutralize an original prohibition – then it directly contradicts the view of Rabbi Yoḥanan and Rabbi Yonatan regarding orla and kil'ay hakerem. They held that if, for example, an orla seed (fruit from the first three years) sprouts, the new fruit is still considered orla because the original forbidden seed remains. The growth doesn't "cleanse" the original prohibition. The ḥasayot case, however, suggests the opposite.

Rabbi Yitzḥak's Distinction: "By Means of the Ground"

"Rabbi Yitzḥak said: The Sabbatical-Year produce is different. Since its prohibition is engendered by means of the ground, its nullification is effected by means of the ground as well. The prohibition can be neutralized by means of the growth that results from replanting the forbidden plant in a permitted manner."

  • Explanation: Rabbi Yitzḥak offers a brilliant and profound distinction to reconcile the apparent contradiction. He argues that Shevi'it produce is unique. Its sanctity (and thus its prohibition) is inherent in the ground itself during the Sabbatical Year. It's not about the seed or the plant itself being inherently forbidden, but rather the time and place of its growth. Therefore, if that Shevi'it plant is subsequently grown in permitted ground (i.e., in the eighth year), the very mechanism that imposed the prohibition (the ground) can also be the mechanism for its nullification. The new growth, drawing from the now-permitted ground, effectively "purifies" the original Shevi'it item.

  • Analogy: Imagine a river that becomes polluted for a year due to upstream activity. Any fish caught in that river during that year are forbidden. But if the pollution clears, and the fish remain in the now-clean river, new growth on those fish, drawing from the clean water, might be considered permitted, even if the fish originated in the polluted period. The source of the prohibition (the ground/river) is also the source of the permissibility. This contrasts with orla or kil'ay hakerem, where the prohibition is intrinsic to the item (the young tree, the forbidden mix of plants), not just the ground it happens to be in.

Counterargument: The Case of Tithe (Ma'aser)

"The Gemara asks: Isn’t there the case of tithe, whose prohibition is engendered by means of the ground, but its nullification is not effected by means of the ground? As it is taught in a baraita: With regard to a litra of untithed first tithe from which the teruma of the tithe was not taken, which one sowed in the ground, and it grew and it is now approximately ten litra, that additional growth is obligated to have tithe taken and is subject to the halakhot of Sabbatical-Year produce. And with regard to that original litra of untithed first tithe that he sowed, one tithes for it from produce in a different place, and not from the litra itself, based on a calculation of how much teruma of the tithe needed to be taken from that litra. Apparently, the growth that results from sowing the first tithe in the ground does not neutralize its prohibition."

  • Explanation: The Gemara, with its characteristic intellectual rigor, immediately challenges Rabbi Yitzḥak's elegant principle. It brings the example of untithed first tithe (ma'aser rishon).
    • The Scenario: Someone sows a litra (a measure) of untithed first tithe into the ground. It grows into ten litra.
    • The Ruling: The baraita states that the new growth (the nine additional litra) is subject to tithing and Shevi'it laws, as expected for regular produce. However, the original litra of untithed tithe still retains its untithed status. One must still separate terumat ma'aser (the tithe of the tithe) for that original litra, and it must be done "from a different place" because the original litra is now mixed into the new growth.
    • The Challenge: The Gemara argues that the prohibition of tithe, like Shevi'it, is also "engendered by means of the ground." It's produce grown from the land that becomes obligated in tithes. Yet, in this case, the new growth from the ground does not nullify the prohibition of the original untithed tithe. If Rabbi Yitzḥak's principle were universally true ("prohibition by means of the ground, nullification by means of the ground"), then the new growth should have rectified the original untithed tithe. Since it doesn't, Rabbi Yitzḥak's principle seems to have a flaw or at least requires further refinement.

This final challenge leaves us with the profound complexity of Halakha. Even a brilliant, unifying principle can be tested by other cases, revealing that the halachic reality is often more intricate than any single rule can capture. The beauty of the Talmud lies in this continuous pursuit of clarity, distinction, and underlying truth, even when it leads to further questions.

How We Live This

The intricate discussions of Nedarim 58 might seem far removed from our daily lives. After all, most of us aren't dealing with untithed produce, second tithes, or Shevi'it onions in our kitchens. However, the fundamental principles explored in this Gemara – the nature of prohibition, the concept of nullification, and the rigorous halachic reasoning used to distinguish between different types of forbidden items – are profoundly relevant to Jewish life today, particularly in the realm of kashrut and ethical engagement with Jewish law.

Dietary Laws (Kashrut) and Mixtures

The entire framework of bittul b'rov (nullification in a majority) is a cornerstone of kashrut, guiding how we handle accidental mixtures of kosher and non-kosher ingredients.

The Principle of Bittul B'Shishim (Nullification in 1:60)

The most common application of nullification is the rule of battel b'shishim (nullified in sixty). This means that if a forbidden item (that cannot become permitted, davar she'ein lo matirin) accidentally falls into a mixture, and the permitted items are at least 60 times the volume of the forbidden item, the forbidden item is considered nullified. The entire mixture then remains kosher. The Ran's comment that items not of the same species are nullified by noten ta'am (imparting flavor) is the basis for this 1:60 ratio, as it's generally assumed that an item will not impart flavor if it's less than 1/60th of the mixture.

  • Example 1: A Drop of Milk in a Meat Pot: Imagine you are cooking a large pot of chicken soup (meat). A tiny drop of milk (dairy, forbidden with meat) accidentally splashes into it. If the volume of the soup is at least 60 times the volume of the milk, the milk is nullified, and the soup remains kosher. This principle allows us to avoid discarding large quantities of food due to minor, accidental cross-contamination.
  • Example 2: A Non-Kosher Ingredient in a Large Batch: Consider a factory producing kosher-certified cookies. A small quantity of a non-kosher flavoring agent (e.g., vanilla extract not made with kosher alcohol) accidentally gets added to a huge vat of cookie dough. If the ratio of kosher dough to the non-kosher flavoring meets the 1:60 standard, the entire batch of cookies can still be considered kosher. This is a critical principle for industrial kashrut certification, where minor errors can occur despite best efforts.
  • Example 3: Non-Kosher Food in a Pantry: If a small piece of non-kosher bread (e.g., from a non-Jewish guest) accidentally falls into a large bag of kosher flour, the bread would be nullified if the flour is 60 times its volume, provided the bread is no longer identifiable or retrievable.

The Exception: Davar She'Yesh Lo Matirin in Kashrut

The Gemara's primary distinction is still highly relevant. If a forbidden item can become permitted, it is not nullified in a mixture, even in a vast one.

  • Example 1: Ḥametz on Pesach (Passover): Ḥametz (leavened grain products) is strictly forbidden on Passover. However, ḥametz is davar she'yesh lo matirin – it is permitted before and after Passover. Therefore, if even a tiny crumb of ḥametz falls into a large pot of kosher-for-Passover food, the entire pot becomes forbidden. There is no nullification for ḥametz during Pesach because it is an item that "can become permitted" (after Pesach). This is why kitchens are meticulously cleaned and products are carefully vetted for Passover.
  • Example 2: Terumot and Ma'asrot in Israel (Modern Context): While the Temple is not standing, the laws of terumot and ma'asrot still apply to produce grown in the Land of Israel, on a rabbinic level for many details, but biblically for the core obligation. If untithed produce (tevel) mixes with regular produce, it would still not be nullified, because it can be tithed and rectified. This ensures the ongoing observance of these agricultural mitzvot.

The Nuance of Min b'Min vs. Min b'She'eino Mino (Same Species vs. Different Species)

The Ran noted that davar she'yesh lo matirin prohibits "in any amount" when mixed with its own species (min b'min), but only "if it imparts flavor" (noten ta'am) when mixed with a different species (min b'she'eino mino). This distinction is also very practical in kashrut.

  • Same Species: If forbidden meat mixes with permitted meat, the forbidden meat is never nullified. If even a tiny piece of non-kosher meat falls into a large pot of kosher meat, the entire pot becomes non-kosher. This is because the forbidden item is identical to the permitted one, making identification and separation impossible.
  • Different Species: If a forbidden item (e.g., a drop of non-kosher wine) falls into a different species (e.g., a large pot of kosher chicken soup), then bittul b'shishim (1:60) applies, provided the wine is not strong enough to impart flavor in a lesser ratio. The "imparting flavor" rule is generally what battel b'shishim attempts to quantify.

Ethical Dimensions of Halakha

Beyond the practical rules, this Gemara also teaches us profound lessons about the Jewish approach to ethics, responsibility, and the sacred.

Meticulousness and Responsibility

The detailed analysis of nullification ratios and exceptions highlights the meticulousness of Halakha. It teaches us to take prohibitions seriously and to be responsible stewards of what we consume and what we create. The very act of analyzing these scenarios instills a sense of ethical precision. We are encouraged to consider the origin, nature, and potential rectification of everything we interact with.

  • Example: Food Waste: The default stringency of Halakha (e.g., davar she'yesh lo matirin is never nullified) might seem to lead to waste. However, the very existence of bittul b'rov for other items demonstrates a compassionate balance. The Sages understood the realities of human error and the need to prevent excessive loss, while simultaneously upholding the sanctity of mitzvot. This balance reflects a profound respect for both divine law and human need.
  • Example: Intentionality: The rules of nullification are generally for accidental mixtures. Intentionally mixing a forbidden item with permitted ones to achieve nullification is almost universally forbidden. This teaches us that Halakha values intentional adherence to mitzvot and discourages finding loopholes to circumvent prohibitions.

The Sanctity of Eretz Yisrael and its Produce

A significant portion of our Gemara focuses on agricultural laws related to the Land of Israel: Shevi'it, Terumot u'Ma'asrot, Orla. These laws underscore the unique spiritual status of Eretz Yisrael and the special relationship between the Jewish people, the land, and God.

  • Connecting to Mitzvot Ha'Teluyot Ba'Aretz: The commandments dependent on the Land of Israel are a central part of Jewish tradition. Even today, in modern Israel, farmers and consumers actively engage with these laws, separating terumot and ma'asrot (often symbolically) and observing Shevi'it years. The discussions in our Gemara provide the underlying framework for these contemporary practices, connecting us to thousands of years of continuous observance.
  • Environmental Ethics: The laws of Shevi'it, which dictate resting the land, allowing anyone to harvest what grows wild, and relinquishing ownership of produce, are ancient examples of environmental ethics. They teach sustainability, trust in divine providence, and communal sharing. The Gemara's debate about Shevi'it produce's nullification reinforces its unique and complex sanctity, reminding us of the profound spiritual value embedded in the land's produce.

The Art of Halachic Reasoning

Finally, the dynamic interplay of questions, counterarguments, and nuanced distinctions in our Gemara offers a masterclass in halachic reasoning itself.

Questioning and Distinguishing

The Gemara doesn't just present rules; it challenges them, seeks exceptions, and refines definitions.

  • Example 1: Rabbi Shimon's Distinction for Shevi'it: His explanation that Shevi'it produce behaves differently before and after bi'ur is a prime example of introducing a temporal or contextual nuance to resolve an apparent contradiction. This teaches us that Halakha is rarely simplistic; it often requires deep dives into context and specific circumstances.
  • Example 2: The Gemara's Rejections of Explanations for Ḥasayot: The systematic dismantling of "seeds cease," "crushed," and "mixture" arguments for the ḥasayot case demonstrates rigorous logical analysis. Each potential explanation is tested against the text and against common sense, until only the most compelling conclusion remains. This is akin to a scientific inquiry, where hypotheses are proposed and then either supported or refuted by evidence.

The Search for Underlying Principles

The attempt by Rabbi Yitzḥak to articulate a principle like "prohibition by means of the ground, nullification by means of the ground" shows the Sages' drive to find overarching frameworks and deeper philosophical underpinnings for Halakha. Even when such a principle is challenged (as it was by the ma'aser example), the effort to articulate it reveals a quest for intellectual coherence and spiritual meaning.

  • Analogy to Legal Systems: Think of a legal system that constantly re-evaluates its precedents, looking for the underlying "spirit of the law" rather than just the "letter of the law." This is what the Gemara does. It's not just about memorizing rules, but understanding why the rules exist and how they connect to broader divine principles.
  • Modern Poskim (Halachic Authorities): Contemporary poskim continue to apply these methods. When faced with new technologies, ingredients, or ethical dilemmas, they don't invent new laws out of thin air. Instead, they delve into the Talmudic and later rabbinic sources, identify the relevant principles (like davar she'yesh lo matirin or bittul b'rov), distinguish between similar cases, and apply the ancient wisdom to modern realities. For example, determining the kashrut of novel food additives often involves intricate analysis of its origin, its transformation, and whether it falls under categories that can or cannot be nullified.

In essence, Nedarim 58 offers us a glimpse into the dynamic, intellectually stimulating, and ethically profound world of Halakha. It teaches us not just what the rules are, but how they are derived, why they are structured the way they are, and how they continue to inform and enrich our Jewish lives in the most practical and spiritual ways.

One Thing to Remember

If there's one overarching lesson to carry from our deep dive into Nedarim 58, it's this: Jewish law, Halakha, is a system of profound nuance and intelligent distinction, designed to guide us with both rigor and compassion. It’s never about simplistic "yes" or "no" answers but rather about understanding the essence of a prohibition, its origin, its purpose, and its potential for rectification.

The central distinction between "an item that can become permitted" (davar she'yesh lo matirin) and "an item that cannot become permitted" (davar she'ein lo matirin) teaches us that not all forbidden things are created equal. Some prohibitions serve as a powerful incentive to perform a mitzvah, ensuring that we actively engage in the process of sanctification or repair. Others acknowledge a permanent, intrinsic state of forbiddenness, and in those cases, Halakha often provides a pathway for nullification to prevent undue hardship in accidental circumstances. The Sages' meticulous debates, questioning, and re-evaluating of principles – as seen with the Shevi'it produce and Rabbi Yitzḥak's "ground" principle – underscore their unwavering commitment to uncovering the deepest truths and applying them with wisdom. This intellectual and spiritual rigor is what makes Halakha a vibrant, living tradition, guiding us with clarity and depth in every aspect of our lives.