Mishnah Temurah 1:1-2

Sugya Map

• Issue: The foundational halachot of temurah (substitution), encompassing who can effect it, the scope of its efficacy, and the onesh (punishment) for performing it. The Mishnah navigates the tension between issur (prohibition) and cheftza (halachic efficacy), where an prohibited act nonetheless creates a valid kedusha (sanctity).
• Nafka Mina(s):
  • Liability for Malkot: The Mishnah's declaration "וסופג את הארבעים" (and incurs the forty lashes) raises fundamental questions regarding lav she'nitak la'aseh (a negative commandment juxtaposed with a positive one) and lav she'ein bo ma'aseh (a negative commandment without a physical action), both of which generally exempt one from malkot.
  • Scope of Ownership: The debate between R' Yochanan ben Nuri and R' Akiva concerning a kohen's ability to effect temurah on a bechor (firstborn animal) highlights the concept of "בית הבעלים" (the owner's domain) as a prerequisite for temurah.
  • Qualitative & Quantitative Parameters: The Mishnah delineates the types of animals and items that can and cannot be substituted, covering species, gender, physical state (unblemished/blemished), and quantity (one for many, limbs for whole animals).
  • Communal vs. Individual: The distinction between yachid (individual) and tzibbur (community) or shutafim (partners) as agents for temurah has implications for the nature of kedusha and culpability.
• Primary Sources:
  • Mishnah Temurah 1:1-2
  • Vayikra 27:10: "וְאִם הָמֵר יָמִיר בְּהֵמָה בִּבְהֵמָה וְהָיָה הוּא וּתְמוּרָתוֹ יִהְיֶה קֹדֶשׁ" (And if he shall exchange animal for animal, then both it and its substitute shall be holy).
  • Vayikra 27:32-33: "לֹא יְבַקֵּר בֵּין טוֹב לָרַע וְלֹא יָמִירֶנּוּ וְאִם הָמֵר יְמִירֶנּוּ וְהָיָה הוּא וּתְמוּרָתוֹ יִהְיֶה קֹדֶשׁ לֹא יִגָּאֵל" (He shall not search whether it be good or bad, neither shall he exchange it; and if he exchange it at all, then both it and that for which it is exchanged shall be holy; it shall not be redeemed).
  • Mishnah Makkot 3:15.
  • Bamidbar 5:6.

Text Snapshot

The Mishnah opens with broad strokes, then narrows its focus, delineating the contours of temurah.

Mishnah Temurah 1:1

"הַכֹּל מְמִירִין אֶחָד אֲנָשִׁים וְאֶחָד נָשִׁים. לֹא שֶׁאָדָם רַשַּׁאי לְהָמִיר, אֶלָּא שֶׁאִם הֵמִיר, הַמּוּמָר קֹדֶשׁ וְהַקֹּדֶשׁ קֹדֶשׁ, וְסוֹפֵג אֶת הָאַרְבָּעִים. הַכֹּהֲנִים מְמִירִין אֶת שֶׁלָּהֶן, וְיִשְׂרָאֵל מְמִירִין אֶת שֶׁלָּהֶן. אֵין הַכֹּהֲנִים מְמִירִין לֹא בְחַטָּאת וְלֹא בְאָשָׁם וְלֹא בְבָכוֹר. אָמַר רַבִּי יוֹחָנָן בֶּן נוּרִי, וּמָה לִי בְבָכוֹר? וַהֲלֹא שֶׁלּוֹ הוּא! אָמַר לוֹ רַבִּי עֲקִיבָא, חַטָּאת וְאָשָׁם מַתָּנָה לַכֹּהֵן, וּבָכוֹר מַתָּנָה לַכֹּהֵן. מַה חַטָּאת וְאָשָׁם אֵין הַכֹּהֲנִים מְמִירִין בָּהֶן, אַף בָּכוֹר אֵין הַכֹּהֲנִים מְמִירִין בּוֹ. אָמַר לוֹ רַבִּי יוֹחָנָן בֶּן נוּרִי, מַה לִּי לָזֶה? אִם אֵינוֹ מֵמִיר בְּחַטָּאת וְאָשָׁם, שֶׁאֵינוֹ קוֹנֶה אוֹתָן בְּחַיֵּיהֶן, הֲתֹאמַר בְּבָכוֹר, שֶׁקּוֹנֶה אוֹתוֹ בְּחַיָּיו? אָמַר לוֹ רַבִּי עֲקִיבָא, וַהֲלֹא כְּבָר נֶאֱמַר (ויקרא כז, י): "וְהָיָה הוּא וּתְמוּרָתוֹ יִהְיֶה קֹדֶשׁ"? הֵיכָן קְדֻשָּׁתוֹ שֶׁל זֶה? בְּבֵית הַבְּעָלִים. אַף תְּמוּרָה בְּבֵית הַבְּעָלִים."^{1 1} Mishnah Temurah 1:1

• Dikduk/Leshon Nuance:
  • "הַכֹּל מְמִירִין" (Everyone substitutes): The plural present participle ("מְמִירִין") suggests a descriptive, rather than prescriptive, statement. As Mishnat Eretz Yisrael notes, it implies bedi'avad (after the fact) – if one does substitute, the halacha is such. This contrasts with a lishna of permission. The use of "הכל" (everyone) is a common Mishnah idiom often indicating inclusivity against a potential restrictive view, here including men and women.
  • "וְסוֹפֵג אֶת הָאַרְבָּעִים" (and incurs the forty lashes): The term "סופג" (lit. "absorbs") colloquially denotes receiving a punishment, specifically malkot. This is a crucial element for the sugya's discussion of onesh and lavin.
  • "וּמָה לִי בְבָכוֹר? וַהֲלֹא שֶׁלּוֹ הוּא!" (And what is it to me regarding a firstborn? Is it not his?): R' Yochanan ben Nuri's rhetorical question highlights his sevara (reasoning) that temurah should follow ownership, implying full acquisition by the kohen.
  • "בְּבֵית הַבְּעָלִים" (in the house of the owner): R' Akiva's derivation emphasizes the place where the original kedusha was initially established as key to the efficacy of temurah. This is a unique gezerat hakasuv (scriptural decree) that ties the temurah to the initial act of consecration by the original owner.

Mishnah Temurah 1:2

"אֶחָד מְמִיר מִן הַבָּקָר עַל הַצֹּאן וּמִן הַצֹּאן עַל הַבָּקָר. וּמִן הַכְּבָשִׂים עַל הָעִזִּים וּמִן הָעִזִּים עַל הַכְּבָשִׂים. מִן הַזְּכָרִים עַל הַנְּקֵבוֹת וּמִן הַנְּקֵבוֹת עַל הַזְּכָרִים. מִן הַתְּמִימִין עַל הַבַּעֲלֵי מוּמִין וּמִן הַבַּעֲלֵי מוּמִין עַל הַתְּמִימִין. שֶׁנֶּאֱמַר (ויקרא כז, י): "לֹא יַחֲלִיפֶנּוּ וְלֹא יָמִיר אֹתוֹ טוֹב בְּרָע אוֹ רַע בְּטוֹב". וְאֵיזֶה הוּא טוֹב בְּרָע? בַּעֲלֵי מוּמִין שֶׁקָּדְמָה קְדֻשָּׁתָן לְמוּמָן. אֶחָד מְמִיר אֶחָד עַל שְׁנַיִם וּשְׁנַיִם עַל אֶחָד, אֶחָד עַל מֵאָה וּמֵאָה עַל אֶחָד. רַבִּי שִׁמְעוֹן אוֹמֵר, אֵינוֹ מֵמִיר אֶלָּא אֶחָד עַל אֶחָד, שֶׁנֶּאֱמַר: "וְהָיָה הוּא וּתְמוּרָתוֹ יִהְיֶה קֹדֶשׁ". מַה "הוּא" מְיֻחָד, אַף תְּמוּרָתוֹ מְיֻחָד. אֵין מְמִירִין לֹא אֵבָרִים עַל עוּבָּרִין, וְלֹא עוּבָּרִין עַל אֵבָרִים, וְלֹא אֵבָרִים וְלֹא עוּבָּרִין עַל שְׁלֵמִין, וְלֹא שְׁלֵמִין עַל אֵבָרִים וְלֹא עַל עוּבָּרִין. רַבִּי יוֹסֵי אוֹמֵר, מְמִירִין אֵבָרִין עַל שְׁלֵמִין, וְלֹא שְׁלֵמִין עַל אֵבָרִין. אָמַר רַבִּי יוֹסֵי, וַהֲלֹא אֵבָרִים בַּקֳּדָשִׁים, כְּשֶׁהוּא אוֹמֵר רֶגֶל שֶׁל זֶה עוֹלָה, כֻּלּוֹ עוֹלָה! אַף כְּשֶׁהוּא אוֹמֵר רֶגֶל שֶׁל זֶה תְּמוּרַת זֶה, כֻּלּוֹ תְּמוּרָה בִּמְקוֹמוֹ. תְּרוּמָה מְעֹרֶבֶת בְּחֻלִּין, אֵינָהּ עוֹשָׂה תְּרוּמָה אֶלָּא עַל פִּי חֶשְׁבּוֹן. וְחָמֵץ אֵינוֹ מַחְמִיץ אֶלָּא עַל פִּי חֶשְׁבּוֹן. וּמַיִם שְׁאוּבִין אֵינָן פּוֹסְלִין אֶת הַמִּקְוֶה אֶלָּא עַל פִּי חֶשְׁבּוֹן. וּמֵי נִדָּה אֵינָן עוֹשִׂין מֵי נִדָּה אֶלָּא בְאֵפֶר. וְאֵין בֵּית הַפְּרַס עוֹשֶׂה בֵּית הַפְּרַס. וְאֵין תְּרוּמָה אַחַר תְּרוּמָה. וְאֵין תְּמוּרָה עוֹשָׂה תְּמוּרָה. וְאֵין הַוָּלָד עוֹשֶׂה תְּמוּרָה. רַבִּי יְהוּדָה אוֹמֵר, הַוָּלָד עוֹשֶׂה תְּמוּרָה. אָמְרוּ לוֹ: קֹדֶשׁ עוֹשֶׂה תְּמוּרָה, וְאֵין הַוָּלָד עוֹשֶׂה תְּמוּרָה. הָעוֹפוֹת וְהַמְּנָחוֹת אֵינָן עוֹשִׂין תְּמוּרָה, מִפְּנֵי שֶׁלֹּא נֶאֱמַר אֶלָּא בְּהֵמָה. לֹא קָדְשֵׁי צִבּוּר וְלֹא קָדְשֵׁי שׁוּתָפִין עוֹשִׂין תְּמוּרָה, מִפְּנֵי שֶׁנֶּאֱמַר: "לֹא יַחֲלִיפֶנּוּ וְלֹא יָמִיר אֹתוֹ". יָחִיד מֵמִיר, וְאֵין צִבּוּר וְשׁוּתָפִין מְמִירִין. קָדְשֵׁי בֶדֶק הַבַּיִת אֵינָן עוֹשִׂין תְּמוּרָה. רַבִּי שִׁמְעוֹן אוֹמֵר, מַעֲשֵׂר בְּהֵמָה הָיָה בִּכְלַל כָּל הַקֳּדָשִׁים, וְלָמָּה יָצָא? לְהַקִּישׁ לוֹ. לוֹמַר לְךָ: מַה מַּעֲשֵׂר בְּהֵמָה יָחִיד, אַף כָּל הַקֳּדָשִׁים יָחִיד, פְּרָט לְקָדְשֵׁי צִבּוּר וְלִקְדְשֵׁי שׁוּתָפִין. מַה מַּעֲשֵׂר בְּהֵמָה קָדְשֵׁי מִזְבֵּחַ, אַף כָּל הַקֳּדָשִׁים קָדְשֵׁי מִזְבֵּחַ, פְּרָט לְקָדְשֵׁי בֶדֶק הַבַּיִת."^{2 2} Mishnah Temurah 1:2

• Dikduk/Leshon Nuance:
  • "אֶחָד מְמִיר מִן הַבָּקָר עַל הַצֹּאן" (One substitutes from cattle for sheep): The structure "מ... על..." (from... upon...) indicates the direction of the temurah, where the kedusha "lands" on the new animal.
  • "וְאֵיזֶה הוּא טוֹב בְּרָע? בַּעֲלֵי מוּמִין שֶׁקָּדְמָה קְדֻשָּׁתָן לְמוּמָן" (And which is the case of good for bad? Blemished animals whose consecration preceded their blemish): This precise definition limits the application of temurah to animals that were valid kodshim (sacred items) when first consecrated, even if they later became blemished.
  • "מַה "הוּא" מְיֻחָד, אַף תְּמוּרָתוֹ מְיֻחָד" (Just as "it" [the original] is specific, so too its substitute is specific): R' Shimon's drasha (exegesis) from the singular pronoun in the verse is a classic example of ribbui u'mi'ut (inclusion and exclusion) or klal u'prat (general and specific) hermeneutics.
  • "וְאֵין תְּמוּרָה עוֹשָׂה תְּמוּרָה" (And a substitute does not render another animal a substitute): This establishes a critical limitation known as "אין קדושה חלה על קדושה" (sanctity does not take effect upon sanctity) or "אין תמורה חלה על תמורה" – a temurah animal, though holy, cannot itself be the subject of a further temurah.

Readings

Rambam, Commentary on Mishnah Temurah 1:1:1

Text: "הכל ממירין אחד אנשים ואחד נשים לא שאדם כו': הכהנים ממירין בשלהן וישראל ממירין בשלהן כו': מה שאמר הכל ממירין כך סדורו הכל עושין תמורה אם המירו ואפילו יורש אם המיר בקרבן שהניח מורישו עושה תמורה וכבר בארנו בתחלת מכות שלאו שניתק לעשה אין לוקין עליו ותמורה לאו שניתק נעשה ומה שחייבו ללקות עליו היות הלאו כולל לכל בני אדם והוא שנאמר ולא ימירנו ועשה שבה שהוא והיה הוא ותמורתו יהיה קודש אינו כולל הכל כמו הלאו לפי ששותפין וצבור אינם עושין תמורה ולפי שלא השוה לאו שבה לעשה שבה לא היה דינו כדין לאו שניתק לעשה לפי שכל המימר לוקה ואין כל מימר עושה תמורה וכבר בארנו בתחלת מכות מה שאמרו כל לאו שאין בו מעשה אין לוקין עליו חוץ מנשבע ומימר ומקלל חבירו בשם וא"ר עקיבא כמו שהקדושה לא תחול אלא לדבר שיש בביתו כך התמורה צריך שתהא בביתו ובכור אינו בביתו מעיקרא אלא בביתו של ישראל והלכה כר"ע:"^{3 3} Rambam, Commentary on Mishnah Temurah 1:1:1

Translation: "Everyone substitutes, both men and women, not that a person is permitted, etc.: Priests substitute for their own [offerings] and Israelites substitute for their own [offerings], etc.: What it means by 'everyone substitutes' is that everyone effects temurah if they substitute, and even an heir, if he substitutes for an offering left by his deceased parent, effects temurah. We have already explained at the beginning of Makkot that one is not lashed for a lav she'nitak la'aseh (a negative commandment juxtaposed with a positive one), and temurah is a lav she'nitak la'aseh. The reason for requiring lashes for it is that the negative commandment 'ולא ימירנו' (and he shall not substitute it) applies to all people, but the positive commandment 'והיה הוא ותמורתו יהיה קודש' (then both it and its substitute shall be holy) does not include everyone like the negative commandment, because partners and the community do not effect temurah. And since the negative commandment and the positive commandment therein are not co-extensive, its ruling is not like that of a lav she'nitak la'aseh, for everyone who substitutes is lashed, but not everyone who substitutes effects temurah. We have already explained at the beginning of Makkot what they said: 'Any lav she'ein bo ma'aseh (negative commandment without an action) does not incur lashes, except for one who swears, one who substitutes, and one who curses his friend in God's name.' And R' Akiva said: Just as sanctity only applies to something that is 'in his house' (i.e., his property), so too temurah must be 'in his house.' And a bechor (firstborn) is not initially 'in his house' but rather 'in the house of the Israelite.' And the halacha is according to R' Akiva."

Chiddush: The Rambam explains why temurah incurs malkot despite being a lav she'nitak la'aseh and potentially a lav she'ein bo ma'aseh. His central chiddush is that for a lav she'nitak la'aseh to exempt from malkot, the aseh must be co-extensive with the lav. In temurah, the lav ("ולא ימירנו") is universal, but the aseh (the kedusha taking effect) is not, as it excludes tzibbur and shutafim. Therefore, it's not a true lav she'nitak la'aseh exemption. He also affirms the Gemara's categorization of memir as an exception to lav she'ein bo ma'aseh and validates R' Akiva's reasoning for bechor.

Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:1

Text: "הכל ממירים . כתב הר"ב לאתויי יורש. גמ'. אם המר ימיר לרבות את היורש. ופירש"י דהכי מצי למכתב ואם ימיר בהמה בבהמה:"^{4 4} Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:1 s.v. הכל ממירים

Translation: "'Everyone substitutes.' The Rav (Rabbenu Ovadiah of Bartenura) wrote: to include an heir. Gemara: 'אם המר ימיר' (if he shall exchange it) comes to include an heir. And Rashi explained that it could have been written 'ואם ימיר בהמה בבהמה' (and if he substitutes animal for animal)."

Chiddush: Tosafot Yom Tov clarifies the Mishnah's opening phrase "הכל ממירין" (everyone substitutes), noting that it includes a yoresh (heir). He points to the Gemara⁵ which derives this from the doubling of the verb in Vayikra 27:10, "אם המר ימיר" – a linguistic nuance Rashi explains as a superfluous phrasing that implies an extension to other categories. ⁵ Temurah 2b

Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:2

Text: "אחד אנשים ואחד נשים . אע"ג דתנן במשנה ז' פרק קמא דקדושין כל מצות ל"ת כו'. אחד אנשים וא' נשים חייבים. וילפינן לה מדכתיב (במדבר ה׳:ו׳) ואיש או אשה כי יעשו מכל חטאת כו'. כמ"ש שם. אצטריך למתני הכי דמהו דתימא ה"מ עונש דשוה בין ביחיד בין בצבור אבל הכא כיון דעונש שאינו שוה בכל הוא. דתנן אין הצבור והשותפים עושין תמורה אשה נמי כי עבדה לא לקיא קמ"ל מדכתיב ואם המר. וה"מ למכתב אם. אתי וי"ו לרבות האשה. גמ'."^{6 6} Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:2 s.v. אחד אנשים ואחד נשים

Translation: "'Both men and women.' Even though we learned in Mishnah 7, chapter one of Kiddushin: 'All negative commandments, etc., both men and women are obligated.' And we derive this from what is written (Bamidbar 5:6): 'If a man or a woman commits any sin, etc.' as explained there. It was necessary to teach this here, because you might have said that this (the general rule) applies to a punishment that is equal for both an individual and a community. But here, since the punishment is not equal for all – for we learned that 'the community and partners do not effect temurah' – you might have thought that a woman, if she performs it, would also not be lashed. Therefore, it comes to teach us from 'ואם המר' (and if he substitutes), which could have been written 'אם' (if). The additional 'ו' (vav) comes to include women. Gemara."

Chiddush: Tosafot Yom Tov addresses a subtle kushya: why does the Mishnah explicitly state "אחד אנשים ואחד נשים" (both men and women) when it's a general principle that women are obligated in negative commandments, as stated in Kiddushin 1:7? His chiddush is that temurah presents a unique case. Since the onesh (punishment) of temurah is not universal (e.g., tzibbur and shutafim do not effect temurah, as stated later in the Mishnah), one might have erroneously assumed that women, too, might be excluded from malkot for temurah. The Mishnah therefore emphasizes their inclusion, derived from the vav in "ואם המר" (Vayikra 27:10) in the Gemara.

Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:3

Text: "וסופג את הארבעים . כתב הר"ב ואע"ג דלאו שאין בו מעשה וכו' דקי"ל כו' חוץ מנשבע ומימר. ומקלל חברו בשם. וכ"כ הרמב"ם בפירושו ובחבורו ריש ה' תמורה ומפרשינן בגמ'. נשבע אמר קרא (שמות כ׳:ז׳) כי לא ינקה ה' את אשר ישא את שמו לשוא. והמ"ל לא ינקה ולשתוק. ה' למה לי. ב"ד של מעלה הוא דאין מנקין אותו. אבל ב"ד של מטה מלקין ומנקין אותו. וכתיב לשוא לשוא. שני פעמים. אם אינו ענין לשבועת שוא תנהו ענין לשבועת שקר. ומסיק באכלתי ולא אכלתי [*ועיין בפ"ד דאבות משנה ז'] מימר א"ל ר' יוחנן לתנא לא תתני ומימר. משום דבדבורו עשה מעשה פירש"י שעושה מחולין קדשים. ע"כ. ועמ"ש בספ"ח דמנחות. ותימה דהשתא מעיקרא לאו קושיא היא זו שהקשה הר"ב מלאו שאין בו מעשה וכבר תמה ג"כ הכ"מ וכתב שכן הרגיש ג"כ המגיד בפי"ג מהלכות שכירות. ומקלל את חברו בשם. אמר קרא (דברים כ״ח:נ״ט) אם לא תשמור וגו'. ליראה את השם. וכתיב והפלא ה' את מכותך הפלאה זו איני יודע מהו כשהוא אומר (שם כ"ה) והפילו השופט והכהו לפניו. הוי אומר הפלאה זו מלקות. ולשבועת אמת א"א לומר. דהא כתיב (שם ו') ובשמו תשבע. ולמוציא שם שמים לבטלה לא מצית אמרת דכתיב (ויקרא י״ט:י״ד) לא תקלל חרש. ואי אמרת בשלמא מקלל. אזהרתיה מהכא. אלא א"א מוציא שם שמים. כלומר אבל מקלל לא סגי ליה במלקות. [*כיון דעביד תרתי דקא מפיק ש"ש לבטלה. וקא מצער ליה לחבריה] אזהרתיה מהיכא. דהא דכתיב (דברים ו׳:י״ג) את ה' אלהיך תירא. אזהרת עשה הוא. ומ"ש הר"ב שהרי שותפים וצבור אין עושין תמורה. כדתנן סוף פרקין. וסוף פ"ב:"^{7 7} Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:3 s.v. וסופג את הארבעים

Translation: "'And incurs the forty lashes.' The Rav (Bartenura) wrote: and even though it is a lav she'ein bo ma'aseh (negative commandment without an action), etc., for which we hold, etc., except for one who swears, one who substitutes, and one who curses his friend in God's name. And so too wrote the Rambam in his commentary and in his work (Mishneh Torah, Hil. Temurah 1:1) at the beginning of Hilchot Temurah. And we explain in the Gemara: 'One who swears' – the verse states (Shemot 20:7) 'for the Lord will not hold him guiltless who takes His name in vain.' It could have simply said 'He will not hold him guiltless' and stopped. Why 'the Lord'? This teaches that it is the Heavenly Court that does not hold him guiltless, but the earthly court lashes him and cleanses him. And it is written 'לשוא לשוא' (in vain, in vain) twice. If it does not apply to a vain oath, apply it to a false oath. And it concludes with 'I ate and I did not eat' [and see Avot 4:7]. 'One who substitutes' – R' Yochanan said to the Tanna: 'Do not teach "one who substitutes" [as a lav she'ein bo ma'aseh],' because 'בדבורו עשה מעשה' (by his speech he performed an action). Rashi explained this as: he makes non-sacred items sacred. This is the end [of Rashi's comment]. And see what I wrote at the end of chapter 8 of Menachot. And it is surprising that this kushya (difficulty) which the Rav (Bartenura) posed from lav she'ein bo ma'aseh is not a kushya in the first place. And the Kesef Mishneh also wondered about this, and wrote that the Maggid Mishneh also perceived this in chapter 13 of Hilchot Sechirus. 'And one who curses his friend in God's name' – the verse states (Devarim 28:59) 'If you will not observe, etc., to fear this glorious and awesome Name.' And it is written 'והפלא ה' את מכותך' (then the Lord will make your plagues wonderful). I do not know what this 'wonder' is. When it says (Devarim 25:2) 'then the judge shall cause him to lie down, and to be beaten before his face,' this 'wonder' must be lashes. And it is impossible to say this applies to a true oath, for it is written (Devarim 6:13) 'and by His name you shall swear.' And you cannot say it applies to one who utters God's name in vain, for it is written (Vayikra 19:14) 'You shall not curse a deaf person.' And if you say, well, one who curses, his warning comes from here. But if you say it is one who utters God's name in vain, meaning that one who curses is not satisfied with lashes [because he performs two transgressions: uttering God's name in vain and causing distress to his friend], from where is his warning derived? For that which is written (Devarim 6:13) 'You shall fear the Lord your God' is a positive commandment warning. And what the Rav (Bartenura) wrote, 'for partners and the community do not effect temurah,' as we learned at the end of our chapter, and at the end of chapter 2."

Chiddush: Tosafot Yom Tov delves into the Mishnah's statement of malkot for temurah, specifically addressing the Gemara's discussion in Makkot 3:15 concerning lavin she'ein bahen ma'aseh that nonetheless incur malkot. He cites R' Yochanan's view that memir is not a lav she'ein bo ma'aseh because "בדבורו עשה מעשה" (by his speech he performed an action), as it transforms a chullin (non-sacred) animal into kodshim. This is a profound chiddush about the nature of "action" in Halacha, extending it beyond physical acts to include speech that effects a change in cheftza. He notes the kushya raised by later Acharonim on Bartenura's initial framing of memir as a lav she'ein bo ma'aseh, given R' Yochanan's decisive stance.

Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:4

Text: "וסופג את הארבעים . וא"ת אמאי לא תני שמנים דהא כתיב לא יחליפנו ולא ימיר אותו. וי"ל דלא נחת למנין מלקיות. אלא כלומר דלקי עליה. עי"ל דלעולם לא לקי אלא ארבעים ותרי לאוי צריכי. חד בקרבן שלו וחד בשל חברו. וכגון דאמר כל הרוצה להמיר יבוא וימיר [כדאיתא בגמ' דף ט'] תוס':"^{8 8} Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:4 s.v. וסופג את הארבעים

Translation: "'And incurs the forty lashes.' And if you ask, why does it not state eighty [lashes], since it is written 'לא יחליפנו ולא ימיר אותו' (he shall neither exchange it nor substitute it)? One can answer that it (the Mishnah) did not come to specify the number of lashes, but rather to imply that he is lashed for it. Alternatively, one can say that he is never lashed more than forty, and the two negative commandments are necessary: one for his own offering and one for another's. For example, if he said 'whoever wishes to substitute, let him come and substitute' [as found in the Gemara, page 9]. Tosafot."

Chiddush: Tosafot Yom Tov tackles the numerical aspect of malkot. The Torah uses two negative verbs, "לא יחליפנו ולא ימיר אותו" (he shall neither exchange it nor substitute it). Normally, two distinct prohibitions could lead to malkot for each, potentially totaling 80 lashes. His chiddush offers two resolutions: either the Mishnah's "ארבעים" is a general statement of culpability, not a precise count, or the two lavin are not cumulative but rather address distinct scenarios, such as temurah involving one's own korban versus another's, or specific types of verbal hechlafah.

Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:5

Text: "אף תמורה בבית הבעלים . כתב הר"ב הלכך אין כהן ממיר בבכור. אבל ישראל אם המיר נתפס בקדושה וכו' ומסיים הרמב"ם בפ"א מה"ת. וכן כהן שהמיר בבכור שנולד לו. לא בבכור שלקח מישראל הרי זו תמורה."^{9 9} Tosafot Yom Tov, Commentary on Mishnah Temurah 1:1:5 s.v. אף תמורה בבית הבעלים

Translation: "'So too, temurah in the house of the owner.' The Rav (Bartenura) wrote: Therefore, a kohen does not substitute for a bechor. But if an Israelite substitutes, it acquires sanctity, etc. And the Rambam concludes in chapter one of Hilchot Temurah: And similarly, a kohen who substituted for a bechor born to him – not for a bechor he received from an Israelite – this is temurah."

Chiddush: Tosafot Yom Tov elaborates on R' Akiva's principle of "בבית הבעלים" (in the house of the owner). He clarifies that a kohen cannot effect temurah on a bechor received from an Israelite because it was not originally consecrated in the kohen's domain. However, a kohen can effect temurah on a bechor born to him, as that bechor's kedusha originated in his own flock. This distinction is crucial for understanding the ownership requirements for temurah.

Rashash, Commentary on Mishnah Temurah 1:1:1

Text: "בתוי"ט ד"ה הכל ממירין כו'. אבל הכא כיון דעונש שאש"ב הוא דתנן אין הציבור כו' גמ'. והרמב"ם בריש ה' תמורה פסק דגם בקרבן ציבור אם המיר לוקה. וכתב הלח"מ והש"א תשו' פ"ב דע"כ היה גורס כגי' קמא שהביא רש"י אבל לאו שאין בו מעשה כו'. וכתב עוד הש"א דלגי' זו אדרבה יהיה ראיה להרמב"ם דציבור ישנו באזהרה דלא ימיר דאל"כ ה"ל לאו שאש"ב ול"ל לא יקחו ללמד שהאשה מוזהרת ע"י האיש ביבמות (פ"ד ב') ולא ילפינן מהא דהשוה הכתוב אשה לאיש כו' הואיל דאש"ב. הא נוכל למילף מתמורה דאף דא"נ בצבור וה"ל לאו שאש"ב ואפ"ה נשים חייבות. ואנכי תמה דאיך נקרא לתמורה לאו שאש"ב. כיון דכל יחיד ויחיד מוזהר עליה רק דהתורה לא הזהירה על ק"צ ואין זה אלא תנאי במה הזהירה. וכמו שאינו נקרא אש"ב מה שא"נ בקדשי בה"ב. הכי נקרא לאו דשעטנז אש"ב הואיל ואינו אלא בצמר ופשתים ובשוע וטוי ונוז דוקא וכן שארי לאוין הרבה כיוצא בזה. וגדולה מזו חילקו התוס' ביבמות (ה') בד"ה ואכתי בשם ר"י ע"ש. ולגי' שלפנינו צ"ל שאינו אלא אשגרת לישנא. ומה שהקשה הש"א על גי' דלאו שאין בו מעשה. הלא ריו"ח אמר לקמן לא תיתני מימר דבדיבורו עשה מעשה. נ"ל דאינה קושיא דמ"מ ה"א דאינו נכלל בכלל איש או אשה כי יעשו כו'. כיון דאינו עושה מעשה בידים ממש. ועוד דהרמב"ם לא פסק כריו"ח דבריש הלכות תמורה חשיב גם למימר בלאו שאין בו מעשה. ואפשר דסמיך על סוגיא זו דסתמא דגמרא קרי ליה לאו שאב"מ. ותמיהני על הה"מ בפי"ג מהל' שכירות שצידד לומר דהרמב"ם כתב כלשון המימרא דחשיב גם למימר אבל באמת ס"ל דהטעם הוא כריו"ח משום דבדיבורו בא לכלל מעשה. דהלא בריש הלכות תמורה כתב דמי שהמיר בקרבן ציבור לוקה ואין התמורה קודש. הרי דאף שלא בא לכלל מעשה מ"מ לוקה. ועי' בלח"מ בהל' שכירות שם שהסב כוונת הה"מ לדרך אחר:"^{10 10} Rashash, Commentary on Mishnah Temurah 1:1:1 s.v. בתוי"ט ד"ה הכל ממירין כו'

Translation: "In Tosafot Yom Tov, s.v. 'Everyone substitutes,' etc. 'But here, since the punishment is not equal for all, for we learned that "the community, etc., does not effect temurah," Gemara.' And the Rambam, at the beginning of Hilchot Temurah, ruled that even if one substitutes for a communal offering, he is lashed. And the Lechem Mishneh and She'eilot u'Teshuvot (responsa) of R' Akiva Eiger (part 2) wrote that he (Rambam) must have had a different textual version of the Gemara than Rashi, which included 'but a lav she'ein bo ma'aseh, etc.' And the She'eilot u'Teshuvot of R' Akiva Eiger further wrote that according to this version, it would actually be proof for the Rambam that the community is included in the warning 'לא ימיר' (he shall not substitute), for otherwise, it would be a lav she'ein bo ma'aseh. And why would it need 'לא יקחו' (they shall not take) to teach that a woman is warned by a man in Yevamot (4b), and we don't learn from the fact that the verse equated woman to man, etc., since it is a lav she'ein bo ma'aseh? We could rather learn from temurah that even though it does not take effect for the community, and it would therefore be a lav she'ein bo ma'aseh, nonetheless women are obligated. But I am puzzled: how can temurah be called a lav she'ein bo ma'aseh? Since every individual is warned about it, the Torah only did not warn about communal offerings, and this is merely a condition on what is warned. Just as it is not called a lav she'ein bo ma'aseh that which does not take effect for kodshei Bedek HaBayit, so too the lav of sha'atnez is not called a lav she'ein bo ma'aseh because it only applies to wool and linen, and specifically to spun and woven threads, and many other prohibitions of this kind. And even greater than this, Tosafot in Yevamot (5a) in s.v. 'ואכתי' distinguished in the name of R' Yonah, see there. And according to our textual version, it must be merely a colloquial expression. And as for what the She'eilot u'Teshuvot of R' Akiva Eiger questioned about the version that includes 'lav she'ein bo ma'aseh': did not R' Yochanan say later: 'Do not teach "one who substitutes,"' because 'בדבורו עשה מעשה' (by his speech he performed an action)? It seems to me that this is not a kushya, for nonetheless one might have thought that it is not included in the general rule of 'איש או אשה כי יעשו' (if a man or a woman commits) etc., since it does not involve a literal physical action. Furthermore, the Rambam did not rule like R' Yochanan, for at the beginning of Hilchot Temurah he also counts 'one who substitutes' among lavin she'ein bahen ma'aseh. And it is possible that he relies on this sugya (discussion) where the stam Gemara (unattributed Gemara) calls it a lav she'ein bo ma'aseh. And I am puzzled by the Kesef Mishneh in chapter 13 of Hilchot Sechirus, who tried to say that the Rambam wrote according to the language of the ma'amara (saying) that also counts memir, but in truth he holds that the reason is like R' Yochanan, because by his speech he comes to an action. For at the beginning of Hilchot Temurah he wrote that one who substitutes for a communal offering is lashed, but the temurah does not become holy. Thus, even though it did not come to an action (of creating kedusha), he is still lashed. And see in Lechem Mishneh on Hilchot Sechirus there, who reinterpreted the Kesef Mishneh's intention in a different way."

Chiddush: The Rashash engages in a deep analysis of the Gemara's categorization of memir as a lav she'ein bo ma'aseh and the subsequent debate with R' Yochanan. His primary chiddush is a strong critique of calling temurah a lav she'ein bo ma'aseh in the first place, arguing that the exclusion of tzibbur and shutafim is a geder (limitation) on the scope of the issur, not an indication that the act itself lacks "action." He draws parallels to sha'atnez and kodshei Bedek HaBayit to support this. He also highlights a significant tension in the Rambam's position: if memir is a lav she'ein bo ma'aseh (as Rambam states), yet malkot apply even when the kedusha doesn't take effect (as Rambam also rules for korban tzibbur), then the "action" cannot be the creation of kedusha itself. This suggests a nuanced understanding of "מעשה" for malkot liability that is distinct from its efficacy in creating cheftza.

Mishnat Eretz Yisrael, Commentary on Mishnah Temurah 1:1:1-2

Text: "על-פי כתב-יד קופמן הכל ממירים – כפי שהסברנו במבוא. המרה היא החלפת קרבן בקרבן אחר. ההחלפה עצמה אסורה כפי שתקבע המשנה להלן, וממילא תופסת רק באופן חלקי. כלומר מה שהומר נשאר קודש, ותמורתו גם היא קודש. באופן פשטני ומשפטי אפשר לקבוע שהקדש אינו יורד מקדושתו על ידי פעולת דיבור (המרה), אך עולה לקדושה בדיבור בלבד. אפשרות הסבר אחרת היא שלפנינו קנס כדי שלא יבואו להמיר קרבנות, וודאי שלא ימירו בקרבן נחות. האיסור להמיר מחייב הבאת הקרבן במהירות למקדש, אחרת הוא ייפסל או ימות וההפסד יהיה כפול. על כל פנים, ההמרה מתבטאת בכך שגם הבהמה השנייה הופכת לקודש כמו הראשונה. משמעויות נוספות של המרה נדונו במבוא. הבבלי מטעין על סגנון המשנה (בינוני רבים) אבחנה שמדובר בדיעבד, ברם זו הרחבה ספרותית בלבד. למעשה למשניות סגנונות מספר ואחד מהם הוא סגנון בינוני רבים: "הכל ממירים", "הכל שוחטין" (חולין פ"א מ"א 1 ראו פירושנו לערכין פ"א מ"א, שם הסברנו שסגנון זה ("הכל...") מלמד על גישה פולמוסית של חכמים הבאה להתנגד לתפיסות מעין "מונופוליסטיות" של כוהנים. במקרה זה כנראה אין למשנה משמעות פולמוסית כזאת. ), "משלשלין את הפסח בתנור" (שבת פ"א מי"א) וכיוצא באלו. אמנם נכון אפוא שהמשנה מדברת בדיעבד, במי שהמיר באיסור, נגד ההלכה, אבל ההמרה תופסת. מכל מקום באופן עקרוני לעתים צריך להמיר, וכל שהמשנה עוסקת בו הוא מי מוסמך להמיר. אחד אנשים ואחד נשים – שניהם מקדשים את התמורה. לא נאמר האם מדובר באישה עצמאית (בוגרת או נערה יתומה 2 ראו משנה, נדרים פי"א מ"י. ). לא שאדם רשיי להמיר – שהרי מפורש בתורה שאסור להמיר, אלא שאם המיר – באיסור, מומר – התמורה קדושה, המעשה בר תוקף, וסופג את הארבעים – מכיוון שנעשתה עברה על לאו מפורש עונשה מלקות. הכהנים ממירים את שלה ן – קרבנות שכבר הגיעו למקדש או שנמסרו לידיהם, כגון הבכור, וישראל ממירים את שלהם – בשלב שהקרבן טרם הגיע למקדש, והמשנה מסבירה: אין הכהנים ממירים לא בחטאת ולא באשם ולא בבכור – באלה אין כוהנים ממירים. המשנה מלמדת פרט מעניין על המבנה הארגוני של המקדש. למקדש הגיעו, כל יום, עשרות (ואולי מאות) אנשים עם קרבנות חובה כגון חטאת, אשם ואף קרבנות נדבה שהתחייבו עליהם. הבעלים סמכו ידיהם על ראש הקרבן, ואזי נמסרו הקרבנות לכוהנים. אז הייתה לכוהנים אפשרות להמיר את הקרבן בקרבן אחר. השחיטה נעשתה אפוא לא מידיו של הישראל, אלא מקבוצת בהמות שהמתינה לתורה לשחיטה."^{11 11} Mishnat Eretz Yisrael, Commentary on Mishnah Temurah 1:1:1-2

Translation: "According to Kaufmann manuscript: 'Everyone substitutes' – as we explained in the introduction. Temurah is the exchange of one offering for another. The exchange itself is forbidden, as the Mishnah will establish below, and therefore it takes effect only partially. That is, the original consecrated animal remains sacred, and its substitute also becomes sacred. In a simplistic and legal sense, one can determine that a sacred item does not lose its sanctity through a verbal act (temurah), but it can acquire sanctity solely through speech. Another possible explanation is that this is a kenas (fine/penalty) to prevent people from substituting offerings, and certainly not to substitute with an inferior offering. The prohibition of substitution requires bringing the offering quickly to the Temple, otherwise it will become disqualified or die, and the loss will be double. In any case, temurah is expressed by the fact that the second animal also becomes sacred like the first. Further meanings of temurah were discussed in the introduction. The Babylonian Talmud attributes to the Mishnah's style (present participle plural) the distinction that it refers to bedi'avad (after the fact), but this is merely a literary expansion. In fact, Mishnayot have several styles, and one of them is the present participle plural style: 'הכל ממירים' (everyone substitutes), 'הכל שוחטין' (everyone slaughters, Chullin 1:1 – see our commentary on Arachin 1:1, where we explained that this style ('הכל...') teaches a polemical approach of the Sages that comes to oppose 'monopolistic' views of the kohanim. In this case, the Mishnah probably does not have such a polemical meaning.), 'משלשלין את הפסח בתנור' (they hang the Pesach offering in the oven, Shabbat 1:11) and similar expressions. It is therefore true that the Mishnah speaks bedi'avad, about one who substituted in prohibition, against the halacha, but the temurah takes effect. In any case, in principle, sometimes one needs to substitute, and all the Mishnah deals with is who is authorized to substitute. 'Both men and women' – both can consecrate the substitute. It is not stated whether this refers to an independent woman (adult or orphaned maiden – see Mishnah Nedarim 11:10). 'Not that a person is permitted to substitute' – for it is explicitly forbidden in the Torah to substitute, 'but if one substituted' – in prohibition, 'the substitute is sacred' – the temurah is holy, the act is valid, 'and incurs the forty lashes' – because a transgression of an explicit negative commandment was committed, the punishment is lashes. 'Priests substitute for their own' – offerings that have already arrived at the Temple or were handed over to them, such as the bechor, 'and Israelites substitute for their own' – at the stage when the offering has not yet arrived at the Temple. And the Mishnah explains: 'Priests do not substitute for a sin offering, nor for a guilt offering, nor for a firstborn' – for these, kohanim do not substitute. The Mishnah teaches an interesting detail about the organizational structure of the Temple. Every day, dozens (and perhaps hundreds) of people came to the Temple with obligatory offerings such as sin offerings, guilt offerings, and even voluntary offerings that they had vowed. The owners leaned their hands on the head of the offering, and then the offerings were handed over to the kohanim. Then the kohanim had the option to substitute the offering for another. The slaughtering was therefore not done by the Israelite's hands, but by a group of animals waiting in line for slaughter."

Chiddush: Mishnat Eretz Yisrael provides a comprehensive overview, emphasizing the dual nature of temurah: it's forbidden, yet effective. Its chiddush lies in contextualizing the Mishnah's language and purpose. It explains the Mishnah's "ממירים" as descriptive of bedi'avad efficacy rather than permission, while also noting the commonality of such Mishnah idioms. It highlights the kenas (penalty) aspect of temurah's efficacy as a deterrent. Crucially, it points to the Mishnah's revelation of Temple organizational nuances, especially regarding the transfer of ownership/control from yisraelim to kohanim and its impact on temurah rights.

Friction

The most potent kushya in this sugya revolves around the dual nature of temurah as a lav she'nitak la'aseh (a negative commandment juxtaposed with a positive one) and its inclusion in the Gemara's list of lavin she'ein bahen ma'aseh (negative commandments without a physical action) that still incur malkot. This creates a multi-layered halachic anomaly that Rishonim and Acharonim strive to reconcile.

The Core Kushya: Why Malkot for Temurah?

1. Lav She'nitak La'aseh: The Torah states, "וְלֹא יָמִירֶנּוּ וְאִם הָמֵר יָמִירֶנּוּ וְהָיָה הוּא וּתְמוּרָתוֹ יִהְיֶה קֹדֶשׁ" (Leviticus 27:10). This clearly presents a negative commandment ("ולא ימירנו") followed by a consequence that effects a positive change ("והיה הוא ותמורתו יהיה קודש"). The general rule, as established in the Gemara (Makkot 14a-b), is that one is not liable for malkot for a lav she'nitak la'aseh, as the positive aseh "repairs" or subsumes the lav. Why, then, does our Mishnah unequivocally state, "וְסוֹפֵג אֶת הָאַרְבָּעִים" (and incurs the forty lashes)?

2. Lav She'ein Bo Ma'aseh: The Gemara in Makkot 3:15 lists memir (one who substitutes) among the exceptions to the rule that lavin she'ein bahen ma'aseh do not incur malkot. This implies that temurah itself is considered an act without a physical ma'aseh. However, R' Yochanan in the Gemara (Temurah 2a, Makkot 15b) explicitly states regarding memir: "לא תתני ומימר, משום דבדבורו עשה מעשה" (Do not teach 'and one who substitutes' [in the list of lavin she'ein bahen ma'aseh], because by his speech he performed an action). Rashi explains this "מעשה" as making chullin into kodshim. This creates a direct contradiction: Is temurah a lav she'ein bo ma'aseh, or is it an act with a ma'aseh? If it's a ma'aseh, why is it listed as an exception to the rule of lavin she'ein bahen ma'aseh? If it's not a ma'aseh, how can R' Yochanan claim it is? The Rambam's position further complicates this, as he explicitly lists memir as a lav she'ein bo ma'aseh that incurs malkot in Hilchot Temurah 1:1, aligning with the Mishnah in Makkot, yet also rules that one is lashed even when the kedusha does not take effect (e.g., for korban tzibbur), seemingly decoupling the "action" from the cheftza outcome.

The Best Terutz (or Two)

The Rishonim offer compelling resolutions, primarily by re-evaluating the conditions for the lav she'nitak la'aseh exemption and the nature of "מעשה" for malkot.

Terutz 1: Rambam's Resolution for Lav She'nitak La'aseh

The Rambam, as cited in his commentary on the Mishnah and in Hilchot Temurah 1:1, provides the seminal terutz for the lav she'nitak la'aseh kushya. He posits that the exemption from malkot for a lav she'nitak la'aseh only applies if the aseh (positive commandment/consequence) is co-extensive with the lav (negative commandment/prohibition). "ומה שחייבו ללקות עליו היות הלאו כולל לכל בני אדם והוא שנאמר ולא ימירנו ועשה שבה שהוא והיה הוא ותמורתו יהיה קודש אינו כולל הכל כמו הלאו לפי ששותפין וצבור אינם עושין תמורה ולפי שלא השוה לאו שבה לעשה שבה לא היה דינו כדין לאו שניתק לעשה לפי שכל המימר לוקה ואין כל מימר עושה תמורה."^{12 12} Rambam, Commentary on Mishnah Temurah 1:1:1

The Rambam argues:

• The lav ("ולא ימירנו") is general and applies to "כל בני אדם" (all people).
• However, the aseh ("והיה הוא ותמורתו יהיה קודש") is not equally comprehensive. As our Mishnah (1:2) later states, "לֹא קָדְשֵׁי צִבּוּר וְלֹא קָדְשֵׁי שׁוּתָפִין עוֹשִׂין תְּמוּרָה" (Communal offerings and partners' offerings do not effect temurah).
• Since the aseh does not apply in all cases where the lav is transgressed (e.g., if one attempts to make temurah with a communal offering, they are liable for malkot even though no kedusha takes effect), the lav is not truly "ניתק לעשה" (juxtaposed to a positive commandment) in a way that exempts from malkot. Thus, malkot apply.

This chiddush redefines the scope of "ניתק לעשה," establishing a crucial meta-halachic principle.

Terutz 2: Reconciling R' Yochanan with Lav She'ein Bo Ma'aseh

The kushya regarding lav she'ein bo ma'aseh is more nuanced. The Gemara in Makkot (15b) itself brings R' Yochanan's statement, indicating it as the prevailing view. The best way to reconcile the Mishnah in Makkot (which lists memir as an exception to lav she'ein bo ma'aseh) with R' Yochanan's view (that it is a ma'aseh) is to understand the Mishnah's initial categorization as an ashgeret lishana (colloquial expression) or to differentiate between types of "מעשה."

• Rashi's Explanation (Makkot 15b): Rashi explains that the Tanna of the Mishnah in Makkot, who listed memir among lavin she'ein bahen ma'aseh, held that a verbal act (like temurah) is not considered a physical ma'aseh. R' Yochanan, however, argues that "בדבורו עשה מעשה" (by his speech he performed an action) is a valid ma'aseh for malkot, as it creates kedusha. The Gemara then concludes in accordance with R' Yochanan. Therefore, the Mishnah in Temurah, which states "וסופג את הארבעים," reflects R' Yochanan's halacha that temurah is indeed a ma'aseh for malkot. The Mishnah in Makkot's phrasing would then be understood as a preliminary categorization that is ultimately refined by R' Yochanan.

• Rashash's Nuance: The Rashash, as seen above, critiques the very notion of calling temurah a lav she'ein bo ma'aseh. He suggests that the exclusion of tzibbur from temurah is a definitional limitation on the issur itself, not an indication of a lack of ma'aseh. He highlights the Rambam's ruling that one is liable for malkot for temurah of korban tzibbur even though no kedusha takes effect. This implies that the "מעשה" for malkot in temurah is the very act of speech that attempts to effect substitution, regardless of its ultimate cheftza outcome. The culpability is for the utterance of the forbidden declaration, which by its nature is deemed an "action" in this unique context, even if its intended halachic consequence (the creation of kedusha) does not materialize. This moves the definition of "מעשה" for malkot from the effect of the act to the act itself as a forbidden utterance.

In summary, the kushya of lav she'nitak la'aseh is addressed by Rambam's co-extensivity principle. The kushya of lav she'ein bo ma'aseh is resolved by acknowledging R' Yochanan's view that speech which creates cheftza is a ma'aseh, or, as Rashash suggests, by understanding that for temurah, the forbidden utterance itself constitutes a ma'aseh for malkot, even if the cheftza fails.

Intertext

Makkot 3:15 – The Three Exceptions

The Mishnah in Makkot (3:15) is a cornerstone for understanding the application of malkot to lavin she'ein bahen ma'aseh. "כל לאו שאין בו מעשה, אין לוקין עליו, חוץ מנשבע, ומימר, ומקלל את חבירו בשם."^{13 13} Mishnah Makkot 3:15

This Mishnah states the general principle that one is not lashed for a lav she'ein bo ma'aseh (a negative commandment without a physical action), and then lists three exceptions: one who swears falsely, one who substitutes (memir), and one who curses his friend using God's name. Our sugya in Temurah directly engages with the second exception, memir. The Gemara (Makkot 15b) elaborates on the source and nature of these exceptions. For memir, as discussed, R' Yochanan argues "בדבורו עשה מעשה" (by his speech he performed an action), making it not truly a lav she'ein bo ma'aseh according to his understanding, but rather a unique form of verbal ma'aseh. This intertextual reference is indispensable for appreciating the halachic intricacies of malkot for temurah.

Kiddushin 1:7 and Bamidbar 5:6 – Women's Obligation in Mitzvot

The Mishnah in Kiddushin 1:7 establishes a broad principle regarding women's obligations in mitzvot: "כל מצוות עשה שהזמן גרמא, אנשים חייבים ונשים פטורות. וכל מצוות עשה שלא הזמן גרמא, אחד אנשים ואחד נשים חייבים. וכל מצוות לא תעשה, בין שיש בהן מעשה בין שאין בהן מעשה, אחד אנשים ואחד נשים חייבים, חוץ מלאו ד'לא תקיף' ו'לא תשחית' ו'לא תטמא למתים'."^{14 14} Mishnah Kiddushin 1:7

This Mishnah states that women are obligated in all negative commandments, whether they involve an action or not, with specific exceptions. This general rule makes the explicit mention of "אחד אנשים ואחד נשים" (both men and women) in Mishnah Temurah 1:1 seem redundant at first glance. Tosafot Yom Tov (on Temurah 1:1:2) addresses this by referencing Bamidbar 5:6: "דכתיב (במדבר ה׳:ו׳) ואיש או אשה כי יעשו מכל חטאת כו'" (for it is written (Bamidbar 5:6) "If a man or a woman commits any sin, etc."). This verse is often used as a source for the general obligation of women in negative commandments. Tosafot Yom Tov argues that the Mishnah in Temurah still needed to explicitly include women because temurah is an unusual lav where the onesh (punishment) is not universally applied (e.g., tzibbur and shutafim are exempt from the cheftza of temurah). This potential anomaly might have led one to exclude women, necessitating the Mishnah's explicit statement, which the Gemara reinforces with a drasha from the superfluous "ו" in "ואם המר." This intertextual discussion highlights the Mishnah's precision in addressing potential minut (exclusion) even when a general rule exists.

Psak/Practice

The sugya of Mishnah Temurah 1:1-2 yields several foundational pesakim (halachic rulings) and meta-halachic heuristics:

1. Efficacy and Prohibition: The primary psak is that temurah is both assur (forbidden) and chal (effective). If one substitutes a non-sacred animal for a consecrated one, the substitute becomes holy, and the original consecrated animal retains its sanctity. This unique tension, where an illicit act nonetheless produces a valid halachic outcome, is central to the laws of temurah. This is codified by the Rambam: "מי שהמיר בהמה טהורה בבהמה קדושה הרי המומר קדוש והקדוש קדוש, אף על פי שנאמר בתורה 'ולא ימירנו', הרי האמירה פועלת וקדושה חלה."^{15 15} Rambam, Hilchot Temurah 1:1

2. Liability for Malkot: One who performs temurah incurs malkot. This psak is explicit in our Mishnah ("וסופג את הארבעים"). The Rambam's chiddush that malkot apply due to the non-co-extensivity of the lav and aseh in temurah is a fundamental principle in Hilchot Malkot. This means that even if the temurah does not result in kedusha taking effect (e.g., for korban tzibbur), one is still liable for malkot because the issur of utterance was transgressed.

3. Ownership and "Beit HaBa'alim": The halacha follows R' Akiva that temurah can only take effect "בבית הבעלים" (in the owner's domain). Therefore, a kohen cannot effect temurah on a bechor or other matnat kehunah (priestly gifts) received from an Israelite, as these were consecrated by the Israelite, not the kohen. However, a kohen can effect temurah on a bechor born in his own flock. This distinction is crucial for understanding the practical application of temurah regarding priestly emoluments.^{16 16} Rambam, Hilchot Temurah 1:3

4. Scope of Temurah:

   • Agent: Only an individual (yachid), not a community (tzibbur) or partners (shutafim), can effect temurah.
   • Object: Only "animal" (behema) can be substituted; birds and meal offerings cannot.
   • Type of Consecration: Only kodshei mizbe'ach (offerings for the altar) can be subjects of temurah, not kodshei Bedek HaBayit (items consecrated for Temple maintenance).
   • Chain of Temurah: "אין תמורה עושה תמורה" (a substitute does not create another substitute), meaning sanctity from temurah cannot beget further temurah. Similarly, "אין הולד עושה תמורה" (the offspring does not create a substitute), except according to R' Yehuda. The halacha does not follow R' Yehuda.¹⁷

   ¹⁷ Rambam, Hilchot Temurah 1:14

These pesakim collectively define the narrow yet potent scope of temurah, illustrating how specific scriptural exegesis and nuanced halachic principles limit a powerful, albeit forbidden, act of consecration.

Takeaway

The sugya of temurah vividly illustrates the intricate interplay between issur and cheftza in Halacha, revealing that an act can be severely prohibited ("וסופג את הארבעים") yet undeniably effective in creating kedusha. This tension forces a deeper understanding of halachic categories like lav she'nitak la'aseh and ma'aseh, emphasizing that the scope of a prohibition or the nature of an "action" can be highly conditional and context-dependent.