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Why isn't mogmar (burning spices for fragrance) permitted on Yom Tov according to the principle of metoch? The Gemara (גמרא) questions Rav Papa's position allowing chabura (cutting) on Yom Tov through metoch reasoning - if cutting is permitted beyond its primary purpose, shouldn't burning spices be equally permitted?
This shiur analyzes a complex sugya from Masechta Kesubos dealing with the principle of metoch on Yom Tov. The Gemara (גמרא) presents Rav Papa's position that making a chabura (cutting/wounding) is permitted on Yom Tov because of metoch - since cutting (havara) is permitted for the sake of ochel nefesh, it becomes permitted even not for ochel nefesh. Rav Papi challenges this by asking why mogmar (burning spices for fragrance) wouldn't similarly be permitted through metoch reasoning. The answer given is that only actions that are "shave l'chol nefesh" (applicable to all people) qualify for this extension. Mogmar is only for "mefunakim" (the refined/wealthy), while basic needs like making a chabura for a wedding are universal. The shiur explores Tosafot's interpretation that Rav Papa may have initially thought the heter was based on "ein isur etzah b'Yom Tov" rather than metoch.
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Kesubos 7b
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