Super Daf › Bekhorot 37 › Gems from the Daf
Daf prep · Bekhorot 37 · בכורות ל״ז
Before you learn Bekhorot 37
Where we left off
The previous daf compared three laymen permitting a firstborn to three laymen releasing a vow. That discussion continues immediately onto our daf to clarify which tannaitic opinions are being excluded.
The question going in
Who has the authority to release vows and permit blemished firstborn animals? Furthermore, what Torah derivations establish which permanent physical defects permit slaughtering a firstborn?
Know before you start
- נִמּוּקוֹ עִמּוֹ (his reasoning is with him): A rule states that halacha follows Rabbi Yosei because he consistently provides clear rationales. The Gemara must clarify whether this principle overrides the majority rule in this case.
- כְּלָל וּפְרָט וּכְלָל (generalization, detail, and generalization): A hermeneutic method where a general rule enclosing specific examples includes all items similar to those examples. The Gemara uses it to define biblical blemishes as exposed, permanent defects.
- חַסְחוּס (cartilage): Damage to the ear cartilage is permanent and cannot heal. Wounds to soft outer skin heal, so skin damage is merely a temporary defect.
Who's who
- Rabbi Yosei (רַבִּי יוֹסֵי, Tanna): He insists that only an expert may permit a blemish, rejecting any lay court.
- Rabbi Yehuda (רַבִּי יְהוּדָה, Tanna): He maintains that a court of three dissolving a vow must contain one Sage.
- Rav Ḥananel (רַב חֲנַנְאֵל, Amora): He quotes Rav ruling that the halacha does not follow Rabbi Yosei here.
- Rabbi Yosei ben HaMeshullam (רַבִּי יוֹסֵי בֶּן הַמְשׁוּלָּם, Tanna): He holds that a desiccated ear is considered blemished only when it crumbles.