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Can you violate Yom Kippur by consuming something in an unusual way? The shiur contrasts Rashi (רש"י)'s position that liability depends on derech achilah (normal manner of eating) with the Rambam (רמב"ם)'s view that anything edible—even consumed abnormally—creates liability. The distinction emerges from how each reads the Gemara (גמרא)'s discussion of vinegar, spices, and ginger on Yom Kippur.
This advanced shiur analyzes Yoma 81b, focusing on the fundamental question of what creates liability on Yom Kippur when foods are consumed in an unusual manner (shelo k'derech achilah). The discussion centers on the Gemara (גמרא)'s treatment of spices (papalin), ginger (zangvil), and vinegar (chometz), and the profound disagreement between Rashi (רש"י) and the Rambam (רמב"ם) regarding the principle of yishuv ha-daas (satisfaction/settling of mind). Rabbi Zweig begins with the Gemara's statement that one who eats papalin (peppers) on Yom Kippur in an unusual manner is not liable. Rashi explains this is because there is no derech achilah—no normal manner of eating it that way—and therefore no yishuv ha-daas. The Gemara raises a difficulty from the laws of orlah: if papalin is not considered food when eaten whole, how can it be subject to orlah, which only applies to fruit trees? Rashi answers that the distinction is between wet (rotuv) and dry (yavesh) forms. When wet, papalin can be eaten whole and is considered food; when dry, it is ground as a spice and is not eaten in a normal manner.
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Yoma 81b
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