Jerusalem Talmud Nedarim 6:4:2-8:1

This passage from the Jerusalem Talmud's tractate Nedarim is far more than a simple discussion of dietary vows; it's a deep dive into the very nature of language, identity, and how we define things, even when they transform.

Hook

What's truly fascinating about this seemingly straightforward discussion on vows is how it reveals that the "essence" of a thing isn't fixed. It shifts based on how we name it, how we perceive its origin, and even its potential for transformation. The Talmud isn't just listing rules; it's exploring a philosophy of categories.

Context

To understand the depth of this discussion, it's helpful to remember the broader context of Rabbinic literature. The Mishnah, compiled around 200 CE, represents a codified body of Jewish law and ethics. The Gemara, which elaborates on the Mishnah, in this case the Jerusalem Talmud (compiled later, likely around 400 CE), often engages in meticulous textual analysis, drawing connections between seemingly disparate concepts. The tractate Nedarim (Vows) specifically deals with the complex world of self-imposed prohibitions, and its discussions often hinge on linguistic nuances and the intent behind words. This particular passage, dealing with vows related to food items, touches upon the ancient practice of "categorization" or "naturalization" of foods, a concept that influenced dietary laws and ritual purity. It's within this framework of precise definition and interpretation that the Talmud navigates the complexities of vows.

Text Snapshot

The passage opens with a Mishnah concerning vows about milk and cheese:

MISHNAH: If somebody vows not to drink milk, he is permitted curd but Rebbi Yose forbids. But from curd, he is permitted milk. Abba Shaul says, if he vows not to have cheese, it is forbidden to him whether salted or unsalted. (Jerusalem Talmud Nedarim 6:4:2)

The Halakha then grapples with defining "curd":

HALAKHAH: “If somebody vows not to drink milk, he is permitted curd,” etc. What is curd? Curdled milk. What is the reason of Rebbi Yose? The name of its father is called over it. (Jerusalem Talmud Nedarim 6:4:3)

This leads to a broader discussion on the nature of vows and how they interact with transformation:

“This is the rule Rebbi Simeon declared in the name of Rebbi Joshua: For everything that may become permitted through some action, such as ṭevel, Second Tithe, donations to the Temple, and “new grain”, the Sages did not fix any limits, but a kind with its own is forbidden in the minutest amount, a kind with a different kind if it can be tasted. But for everything that cannot become permitted through any action, such as heave, ḥallah, orlah, and kilaim in a vineyard, the Sages did fix as limit both a kind with itself or with a different kind if it can be tasted.” (Jerusalem Talmud Nedarim 6:5:2)

The text continues to explore specific examples and differing opinions on vows related to meat, grapes, and dates, highlighting the intricate relationship between an item and its derived products.

Close Reading

Insight 1: The Shifting Identity of "Milk" and its Derivatives

The core of the initial discussion revolves around the vow "not to drink milk." The Mishnah presents a fascinating disagreement:

MISHNAH: If somebody vows not to drink milk, he is permitted curd but Rebbi Yose forbids. (Jerusalem Talmud Nedarim 6:4:2)

The ensuing Halakha clarifies this:

HALAKHAH: “If somebody vows not to drink milk, he is permitted curd,” etc. What is curd? Curdled milk. What is the reason of Rebbi Yose? The name of its father is called over it. (Jerusalem Talmud Nedarim 6:4:3)

This is a profound linguistic and conceptual point. Rebbi Yose forbids "curd" when one vows against "milk" because, in his view, "curd" still carries the essential identity of "milk" within its name or its fundamental nature. The phrase "the name of its father is called over it" implies a lineage or an inherent connection. Curd is not a wholly separate entity; it is derived from milk and, in Rebbi Yose's reasoning, still bears the imprint of its origin. This isn't just about nomenclature; it's about substance. Curd is essentially milk that has undergone a transformation, but its "milkness" is still palpable.

This contrasts with the general opinion, which permits curd. This suggests a legal or halakhic principle that once a substance undergoes a significant enough transformation, its original classification might be superseded. The note from Penei Moshe reinforces this, defining curd as "the serum remaining when curd is pressed into cheese" or "curdled milk." The Korban HaEdah describes it as "the serum of milk and it is the water that comes out of the cheese." This points to a physical separation and alteration. The general opinion implicitly argues that the transformation into curd is significant enough to break the direct prohibition on "milk."

However, the Mishnah adds another layer: "But from curd, he is permitted milk." This seems counterintuitive if curd is still "milk-like." It implies that the prohibition is not perfectly symmetrical. Perhaps the vow is more about the state of being milk (liquid, drinkable) rather than its inherent substance. Once milk is transformed into curd, it's no longer in its original "drinkable" form, thus permitting the original substance (milk) if one were to vow against curd. This demonstrates the Talmud's meticulous attention to the precise phrasing and implied intent of vows.

Insight 2: The Principle of Transformation and Permissibility

The passage then broadens the discussion with a principle articulated by Rebbi Simeon in the name of Rebbi Joshua:

“This is the rule Rebbi Simeon declared in the name of Rebbi Joshua: For everything that may become permitted through some action, such as ṭevel, Second Tithe, donations to the Temple, and “new grain”, the Sages did not fix any limits, but a kind with its own is forbidden in the minutest amount, a kind with a different kind if it can be tasted. But for everything that cannot become permitted through any action, such as heave, ḥallah, orlah, and kilaim in a vineyard, the Sages did fix as limit both a kind with itself or with a different kind if it can be tasted.” (Jerusalem Talmud Nedarim 6:5:2)

This is a crucial distinction. The Sages differentiate between things that can be "permitted through some action" and those that cannot.

• Permitted Through Action: Items like ṭevel (produce that has not had tithes removed) or "new grain" can become permissible through specific acts, such as the removal of tithes or the 'omer offering. In such cases, the Sages are more lenient with admixtures. If a forbidden item mixes with something that can become permitted, the prohibition might be lifted if the forbidden element is no longer discernible by taste. This suggests that the potential for redemption or purification of the item lessens the severity of the prohibition on its derivatives or mixtures.
• Cannot Become Permitted Through Action: Sacred portions like heave-offering or hallah (a portion of dough set aside for the priest) are inherently sacred and cannot be "un-sacred" or "un-forbidden" through simple human action. Similarly, 'orlah (fruit from a tree in its first three years) and kilaim (prohibited mixed species) are fundamentally forbidden by divine decree. For these, the Sages are stricter. Even the smallest amount of the forbidden, or a detectable taste of it mixed with something else, renders the whole forbidden. This implies that the inherent, unchangeable forbiddenness of these items carries over more forcefully.

The Halakha then asks: "How do you treat vows? As referring to something that can become permitted or to something that cannot become permitted?" This question directly links the general principle to the specific case of vows. The implication is that the strictness applied to vows will depend on whether the vowed-against item belongs to the category of things that can be "permitted through action" or not. The Talmud seems to lean towards treating vows like those concerning items that can become permitted, as seen in the discussion about a rabbi uprooting a vow. However, the subsequent examples and debates show this isn't always straightforward. The Mishnah's later discussion about "meat" and "vegetables" further illustrates this principle of transformation and its halakhic implications.

Insight 3: The Tension Between Linguistic Identity and Functional Transformation

A recurring tension throughout this passage is the conflict between a thing's linguistic identity and its functional transformation. This is most evident in the debate surrounding Rebbi Yose's position on "curd."

HALAKHAH: What is the reason of Rebbi Yose? The name of its father is called over it. (Jerusalem Talmud Nedarim 6:4:3)

This highlights the argument based on etymology or inherent naming. "Curd" is still called "curdled milk," or it contains the root "milk" in its formation. This linguistic connection, for Rebbi Yose, is enough to maintain its forbidden status under a vow against milk.

However, the general opinion, and later examples, suggest that functional transformation can override linguistic ties. When one vows against "grapes," they are permitted "wine." Grapes are the raw material, wine is the processed product. The vow against the raw material does not automatically extend to the processed form, unless specified. Similarly, vowing against "dates" permits "date honey." The essence of the date is transformed into a new substance with a new name, and the vow is limited.

The Mishnah introduces a crucial qualifier: "If somebody vows not to eat meat, he is permitted clear bouillon and coagulated fibers... but Rebbi Jehudah forbids." (Jerusalem Talmud Nedarim 6:5:3) The explanation for Rebbi Jehudah's stricter view is illuminating:

They said to him, that is correct; when? If he would say, that piece of meat [is forbidden] to me. (Jerusalem Talmud Nedarim 6:5:3)

This distinction is key. If one vows against "meat" generally, it refers to the category. Bouillon and fibers are derived from meat but are not "meat" in its primary sense. Rebbi Jehudah's stricter view, and the exception made for "that piece of meat," suggests that when a vow is specific to a particular instance or form, the rules of admixtures and derivatives might change. A general vow against a category might be interpreted more broadly based on derived products, while a specific vow might be narrowly construed. This tension between the broad category and the specific instance, between linguistic definition and functional purpose, is a constant undercurrent in the Talmud's analysis of vows.

Two Angles

This passage allows us to contrast two fundamental approaches to interpreting vows, particularly when dealing with derived products. One approach emphasizes the linguistic continuity and inherent nature of a substance, while the other prioritizes the functional transformation and the practical reality of how people categorize and use things.

Angle 1: The "Name of the Father" Approach (Rebbi Yose's Rigor)

One perspective, exemplified by Rebbi Yose's stance on curd, is that the fundamental identity of a substance, even after transformation, remains tied to its origin. The reasoning, "the name of its father is called over it," suggests that the original substance's name or essence is intrinsically linked to its derivative. For Rebbi Yose, curd is not truly separate from milk because its very nature is still "milk." This approach tends to be more stringent. If a vow is made against "milk," and curd is still seen as fundamentally "milk" (even if transformed), then it remains forbidden. This perspective values the inherent, underlying reality of a substance, often prioritizing its source and etymological connection over its immediate physical state. It implies that the "spirit" of the vow carries over as long as the "bloodline" of the forbidden substance is evident. This is akin to saying that a child, even grown, is still fundamentally their father's child, and any prohibition against the father extends to the child based on that familial tie.

Angle 2: The "Functional Identity" Approach (The General Opinion and Mishnah's Leeway)

In contrast, the general opinion presented in the Mishnah, and further elaborated in other examples, adopts a more pragmatic, "functional identity" approach. This perspective acknowledges that transformations can create new categories or break the direct chain of prohibition. For instance, when one vows not to drink milk, they are permitted curd because curd is no longer typically consumed as a drink in the same way milk is. The function has changed. Similarly, vowing against grapes permits wine, and against dates permits date honey. These derivatives have distinct names and uses, and the vow is seen as applying to the original, commonly understood form of the item. This approach emphasizes how people actually speak about and use things in the world. If the derivative has acquired a new name and a distinct purpose in common parlance, the vow against the original item may not extend to it. This perspective allows for a degree of leniency, recognizing that human language and societal usage create categories that can evolve. It implies that a vow is bound by the common understanding of the terms used, and if a derivative is commonly understood as something other than the original, the vow might not apply. This is like arguing that a grown child, while still related to their parent, has established their own independent identity and is not automatically subject to the same restrictions as the parent based solely on lineage.

This fundamental divergence plays out in how strictly vows are interpreted, particularly concerning mixtures and derivatives, and it underlies many of the nuanced debates within this section of Nedarim.

Practice Implication

This exploration of vows and their interpretation has a direct implication for how we approach our own commitments and promises, both to ourselves and to others. The Talmud's rigorous analysis of "what constitutes X" when X transforms teaches us to be incredibly precise in our language when making commitments.

When we make a promise, a New Year's resolution, or even a casual agreement, we often use broad terms. For example, "I will eat healthier" or "I won't waste time." This passage urges us to consider the "Rebbi Yose" and the "general opinion" within ourselves. What does "healthier" truly mean when applied to slightly modified versions of our usual foods? If I vow "not to eat sweets," does that include naturally sweet fruits, or artificial sweeteners in otherwise non-sweet foods? The Talmud's lesson is to anticipate these transformations and ambiguities.

Therefore, when making a commitment, we should strive for clarity that accounts for potential "transformations" or "derivatives" of our prohibited behavior. Instead of a vague "I won't waste time," we might consider specifying what constitutes "wasted time" for us. Is it scrolling social media? Watching excessive TV? Engaging in unproductive conversations? By articulating these nuances upfront, we create a stronger, more enforceable commitment. Just as the Talmudic sages meticulously defined the boundaries of vows based on language and transformation, we should do the same for our personal commitments, ensuring they are not easily circumvented by linguistic loopholes or unforeseen developments.

Chevruta Mini

1. If a vow is made against "sweets," and a food item is made from naturally sweet fruits but processed with a new technique (e.g., fruit leather), how do we balance the inherent sweetness (Rebbi Yose's "name of the father") against the altered form and name (the general opinion's functional transformation)?
2. When one vows "not to engage in gossip," should this prohibition extend to forwarding potentially damaging or untrue information through text messages or emails, even if the original "speaking" is absent, considering the modern "transformation" of communication?