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Mishnah Keritot 5:4-5

On-RampExpert – Beit Midrash AnalysisMarch 1, 2026

Sugya Map

The sugya in Mishnah Keritot 5:4-5 delves into the nuanced application of the Asham Talui (provisional guilt offering), particularly in cases of safek me'ilah (uncertain misuse of consecrated property) and safek chet (uncertain sin). It also explores the permissibility of shared or conditional korbanot (sacrifices) for atonement.

Issue

The central issue is the scope of Asham Talui: Does it apply to safek me'ilah? Additionally, the Mishnah questions whether multiple individuals can bring a single korban sheba al chet (offering for sin) in partnership, especially with conditions (tenaim).

Nafka Mina(s)

  1. Liability for Asham Talui: Whether one is obligated to bring an Asham Talui when uncertain if they misused hekdesh (consecrated property). This hinges on Rabbi Akiva's expansive view versus the Rabbanan's restrictive one.
  2. Mechanics of Korbanot: The practical implications for offering sacrifices when multiple parties might be liable for a single transgression, or when the exact nature of the sin is unclear. This is the crux of the Rabbi Shimon vs. Rabbi Yosei debate.

Primary Sources

  • Mishnah Keritot 5:4-5
  • Mishnah Keritot 5:2 (for the general rule of safek me'ilah)
  • Vayikra 5:17-19 (the Torah source for Asham Talui)
  • Bavli Keritot 18a, 23a-b
  • Yerushalmi Yevamot 4:2, Bikkurim 2:6
  • Tosefta Keritot 3:1-3

Text Snapshot

The core of the sugya is introduced with a classic case of safek:

חתיכה של חולין וחתיכה של קדש, אכל אחת מהן ואינו יודע אי זו מהן אכל, פטור. רבי עקיבא מחייב אשם תלויי. A piece of non-sacred [meat] and a piece of consecrated [meat]; one ate one of them and does not know which one he ate, he is exempt. Rabbi Akiva deems him liable to bring a provisional guilt offering.^[Mishnah Keritot 5:4]

This immediately establishes the fundamental machloket (dispute) regarding safek me'ilah. The dikduk here is subtle: the Tanna Kamma states "פטור" (exempt), implying no korban at all, while Rabbi Akiva explicitly "מחייב אשם תלויי" (obligates an Asham Talui).

The Mishnah proceeds to intricate scenarios involving two people and various combinations of forbidden fats (cheilev), notar (leftover offerings), and kodesh. The recurring debate is:

רבי שמעון אומר: שניהן מביאין אשם אחד... רבי יוסי אומר: אין שנים מביאין אשם אחד. Rabbi Shimon says: Both of them bring one guilt offering... Rabbi Yosei says: Two people do not bring one guilt offering.^[Mishnah Keritot 5:4 (and subsequent passages for chatat and combinations)]

This exact phrasing is repeated for Asham and Chatat, highlighting a consistent dispute regarding the communal nature of korbanot sheba al chet. The repetition underscores the categorical nature of Rabbi Yosei's disagreement.

Readings

Rambam: Asham Talui for Me'ilah as Hana'ah B'Shogeg

The Rambam, in his commentary to the Mishnah, directly addresses Rabbi Akiva's rationale for obligating an Asham Talui in cases of safek me'ilah. He explains:

כבר ידעת שר"ע מחייב בספק מעילות אשם תלוי וזה שאכל חתיכה של קדש כבר מעל שכבר נהנה מן ההקדש בשגגה ולפיכך חייב על אחד משניהם אשם תלוי You already know that Rabbi Akiva obligates a provisional guilt offering for uncertain misuse of consecrated property, and this one who ate a piece of consecrated property has already misused it, as he already benefited from the consecrated property unwittingly. Therefore, he is liable for one of the two [pieces] with a provisional guilt offering.^[Rambam on Mishnah Keritot 5:4:1] The Rambam's chiddush here is to articulate the underlying sevara (reasoning) for Rabbi Akiva. It's not merely a safek chet in the general sense, but a safek stemming from a definite hana'ah (benefit) from hekdesh, albeit b'shogeg (unwittingly). This hana'ah itself constitutes the act of me'ilah. The uncertainty lies only in which piece was kodesh, not whether me'ilah occurred. This perspective elevates safek me'ilah to a level warranting a provisional offering, akin to other safek chet cases where an action that might be a sin definitely occurred. Crucially, the Rambam concludes his comment with an explicit psak: ורבי יוסי הוא ת"ק בעצמו ואין חולק עליו ר"ל שדעתו שאין חייב על ספק מעילה אשם תלוי וכן הלכה. And Rabbi Yosei is the Tanna Kamma himself, and no one disputes him, meaning that his opinion is that one is not liable for uncertain misuse of consecrated property with a provisional guilt offering, and so is the Halakha.^[Rambam on Mishnah Keritot 5:4:1] This psak is definitive: despite Rabbi Akiva's logical grounding, the halakha does not follow him on this point.

Mishnat Eretz Yisrael: Structural Insights and the Yerushalmi's Epistemic Challenge

The Mishnat Eretz Yisrael offers a meta-analysis of the Mishnah's structure and brings in a crucial Yerushalmi perspective. It highlights the Mishnah's progression from simple to complex scenarios, demonstrating Rabbi Akiva's rule.

ממשנה זו ואילך המשנה מדגימה את הכלל של רבי עקיבא (ספק מעילה) בסדרת מקרים המסודרים מהפשוט אל המורכב יותר. From this Mishnah onwards, the Mishnah exemplifies Rabbi Akiva's rule (uncertain misuse of consecrated property) in a series of cases arranged from the simpler to the more complex.^[Mishnat Eretz Yisrael on Mishnah Keritot 5:4:1-7] This structural insight suggests the Mishnah's pedagogical intent: to thoroughly explore the ramifications of Rabbi Akiva's chiddush, even if the halakha ultimately rejects it.

More profoundly, Mishnat Eretz Yisrael introduces a unique Yerushalmi discussion:

הירושלמי קובע, בשם רב הבבלי, שאשם תלוי אינו בא על ספק עובדתי אלא על ספק שאי אפשר לבררו. The Yerushalmi establishes, in the name of Rav ha'Bavli, that an Asham Talui does not come for a factual uncertainty [safek ovdati] but only for an uncertainty that cannot be clarified.^[Mishnat Eretz Yisrael on Mishnah Keritot 5:4:1-7] This is a radical chiddush. If a safek can be resolved, one is obligated to resolve it, and if one fails to do so, they are liable for a definite sin offering. The Yerushalmi then presents our Mishnah (and the case of Koy) as a counter-example, as these are factual sfeikot that are inherently unresolvable at the moment of eating. This Yerushalmi perspective challenges the very premise of many Asham Talui cases, suggesting an epistemic threshold for its application. The Mishnat Eretz Yisrael implies that this narrowing of Asham Talui's scope reflects a later legal development, perhaps when the practicalities of korbanot were no longer salient.

Friction

The Scope of Asham Talui: Me'ilah vs. Chatat

The most significant kushya (difficulty) lies at the heart of the initial machloket: Why does Rabbi Akiva extend Asham Talui to safek me'ilah, when the explicit Torah verses (Vayikra 5:17-19) seem to delineate it specifically for safek chatat (sins punishable by chatat if certain)? The Tanna Kamma (and Rabbanan) seemingly adheres to a strict textual reading, limiting the Asham Talui to its explicitly stated cases. Me'ilah, while a grave transgression, is not inherently a chatat in the same category as cheilev or tum'ah.

The Gemara in Keritot 23a grapples with this very question, offering a few terutzim (answers) for Rabbi Akiva's position:

  1. Gezeirah Shavah: One terutz suggests a gezeirah shavah (exegetical analogy) from the term "חטא" (sin) or "אשם" (guilt) found in both parshiot (sections of the Torah). Just as an Asham Talui is brought for safek chatat, so too for safek me'ilah. This would imply a conceptual linkage between me'ilah and chatat in the context of provisional offerings.
  2. Rambam's Hana'ah B'Shogeg: As articulated by the Rambam, Rabbi Akiva's view stems from the understanding that me'ilah is a unique transgression where one has definitely benefited from hekdesh, even if unwittingly. The uncertainty is not about whether a prohibited act occurred, but its precise nature or object. This is a subtle but crucial distinction from a safek chatat where it's uncertain if a prohibited act happened at all. In me'ilah, the hana'ah is certain, the issur (prohibition) is certain, only the specific identity of the kodesh item is uncertain. This "certainty of benefit" makes it analogous to a safek chatat where the benefit/action is certain but the issur is in safek.
  3. Severity of Me'ilah: While not a chatat in the strictest sense, me'ilah is a severe transgression, often leading to karet if done intentionally (though the Mishnah speaks of shogeg liability). Rabbi Akiva might view its gravity as warranting an Asham Talui even without a direct textual parallel to chatat.

Shared Korbanot: Rabbi Shimon vs. Rabbi Yosei

A secondary, but equally important, friction is the machloket between Rabbi Shimon and Rabbi Yosei regarding whether two individuals can bring a single korban sheba al chet (e.g., Asham or Chatat) in partnership, using a tenai.

  • Rabbi Shimon's Terutz: Rabbi Shimon proposes a pragmatic solution: they bring one korban jointly, with a stipulation (tenai) that the offering should be credited to whichever of them is actually liable. For instance, if person A ate the kodesh and person B ate chullin, the korban is for A, and B's share is nullified or transferred. This is akin to Rabbi Tarfon's conditional offering in the previous Mishnah. The Yachin commentary clarifies that the tenai would specify "if I misused, this is mine; if you misused, this is for you," and suggests the korban would be brought without semicha (leaning on the animal) to avoid an unqualified person performing an act of service.^[Yachin on Mishnah Keritot 5:26:1]
  • Rabbi Yosei's Kushya & Terutz: Rabbi Yosei categorically rejects this. His kushya is that korbanot sheba al chet are inherently personal. His terutz is that a tenai is ineffective for such offerings:

    רבי יוסי אומר אין שנים מביאים אשם אחד דס"ל דלא מהני תנאי בקרבן שבא על חטא. Rabbi Yosei says: Two people do not bring one guilt offering, for he holds that a condition is not effective for an offering that comes for a sin.^[Yachin on Mishnah Keritot 5:27:1] This is a fundamental principle in hilchot korbanot: atonement for sin is individual and requires certainty of liability. One cannot shift the burden or make it contingent on an unresolved safek. The Ikar Tosafot Yom Tov adds that Asham Talui is bimkom chatat (in place of a sin offering), thus falling under the same rule.^[Ikar Tosafot Yom Tov on Mishnah Keritot 5:4:2]

Intertext

Vayikra 5:17-19: The Genesis of Asham Talui

The primary textual anchor for the entire discussion of Asham Talui is found in Parshat Vayikra:

וְאִם נֶפֶשׁ תֶּחֱטָא וְעָשְׂתָה אַחַת מִכָּל מִצְוֹת יְהוָה אֲשֶׁר לֹא תֵעָשֶׂינָה וְלֹא יָדַע וְאָשֵׁם וְנָשָׂא עֲוֹנוֹ. וְהֵבִיא אֵיל צֹאן תָּמִים בְּעֶרְכְּךָ אֲשָׁם לַכֹּהֵן וְכִפֶּר עָלָיו הַכֹּהֵן עַל שִׁגְגָתוֹ אֲשֶׁר שָׁגָג וְהוּא לֹא יָדַע וְנִסְלַח לוֹ. And if a soul shall sin, and commit any of these things which are forbidden to be done by the commandments of the LORD; though he knew it not, yet he is guilty, and shall bear his iniquity. And he shall bring a ram without blemish out of the flock, with your estimation, for a guilt offering, to the priest: and the priest shall make an atonement for him concerning his ignorance wherein he erred and knew it not; and it shall be forgiven him.^[Vayikra 5:17-18] The text explicitly links the Asham Talui to a person who "sins... and knew it not." The Tanna Kamma's stance in our Mishnah (and the Rabbanan generally) that Asham Talui does not apply to safek me'ilah stems from the understanding that me'ilah is not one of the mitzvot that are chatat-generating in the same way. Rabbi Akiva, however, must derive from these verses (or other interpretive means) an extension to safek me'ilah, perhaps by focusing on the "guilty" aspect ("וְאָשֵׁם") or seeing me'ilah as conceptually related to "sins."

Mishnah Keritot 2:3: Standard Asham Talui Cases

The standard list of transgressions for which an Asham Talui is brought is enumerated earlier in Keritot:

חמש עבירות חייבין עליהן על שגגתן אשם תלוי: אכילת חלב, אכילת דם, אכילת פיגול, אכילת נותר, טומאת מקדש וקדשיו. There are five transgressions for which one is liable to bring a provisional guilt offering for their unwitting commission: eating forbidden fat, eating blood, eating pigul, eating notar, and defiling the Temple or its consecrated items.^[Mishnah Keritot 2:3] Notably, me'ilah is absent from this list. This Mishnah serves as the prima facie basis for the Rabbanan's position against Rabbi Akiva in our sugya. The very fact that our Mishnah introduces safek me'ilah as a point of contention with Rabbi Akiva suggests that it falls outside the normative, enumerated cases. For Rabbi Akiva, this list is either non-exhaustive or me'ilah is implicitly included through a broader interpretation.

Psak/Practice

The halakha on the central dispute follows the Rabbanan, as explicitly stated by the Rambam:

וכן הלכה שאין חייב על ספק מעילה אשם תלוי. And so is the Halakha, that one is not liable for uncertain misuse of consecrated property with a provisional guilt offering.^[Rambam, Mishneh Torah, Hilchot Shegagot 8:7] This means that in a case of safek me'ilah, one is simply exempt from bringing an Asham Talui. This limits the scope of Asham Talui to cases of safek chatat and similar uncertainties where the Torah specifies its application, aligning with the more restrictive view.

Regarding the dispute between Rabbi Shimon and Rabbi Yosei, the halakha also follows Rabbi Yosei:

וקיי"ל נמי כחכמים דאין אשם תלוי בא כלל על ספק מעילה. And we also hold according to the Rabbanan that an Asham Talui does not come at all for uncertain misuse of consecrated property.^[Yachin on Mishnah Keritot 5:27:1] More generally, the principle that korbanot sheba al chet cannot be brought conditionally or jointly by multiple people is a foundational aspect of hilchot korbanot. Atonement for sin requires a definite obligation and cannot be subject to a tenai or shared among those whose liability is uncertain. This reinforces the highly individualized nature of sin offerings.

Takeaway

The sugya illuminates the specific, yet contested, role of the Asham Talui in resolving religious uncertainty, ultimately restricting its application to defined cases of safek chatat rather than safek me'ilah. It also firmly establishes the principle that korbanot sheba al chet demand individual certainty and cannot be brought conditionally or jointly.