Reference of Measurements in Halacha: Difference between revisions
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==Kezayit== | ==Kezayit== | ||
# According to Ashkenazim, all sizes are measured in volume and not weight.<Ref> Mishna Brurah 456:3, Vezot HaBracha (pg 6) </ref> However, according to Sephardim the actual halacha is that measures are in volume but the minhag is to follow the measures in weight. <ref>See Yalkut Yosef (Klalei Brachot pg 195-202) discusses this at length. </ref> | # According to Ashkenazim, all sizes are measured in volume and not weight.<Ref> Mishna Brurah 456:3, Vezot HaBracha (pg 6) </ref> However, according to Sephardim the actual halacha is that measures are in volume but the minhag is to follow the measures in weight. <ref>See Yalkut Yosef (Klalei Brachot pg 195-202) discusses this at length. </ref> | ||
# There’s a dispute in the Rishonim whether the [[Kezayit]] (olive size) is a half or third of a | # There’s a dispute in the Rishonim whether the [[Kezayit]] (olive size) is a half or third of a [[KeBaytzah]] (egg size), and regarding Bracha Achrona and Deoritta Mitzvot, the halacha follows the opinion that a Kezayit is half a KeBeytzah. <Ref> | ||
* Mishna Brurah 486:1 writes that the Tosfot holds a kezayit is half of a KeBeitzah with the shell and the Rambam holds it is a third of a KeBeitzah (see Tosfot (Yoma 80b D”H Agav), Rambam (Eiruvin 1:9)). S”A 486 rules like Tosfot. Rav Avraham Chaim Noeh (Shiurei Torah 3:12) argues that Tosfot holds half a KeBeitzah without the shell. | * Mishna Brurah 486:1 writes that the Tosfot holds a kezayit is half of a KeBeitzah with the shell and the Rambam holds it is a third of a KeBeitzah (see Tosfot (Yoma 80b D”H Agav), Rambam (Eiruvin 1:9)). S”A 486 rules like Tosfot. Rav Avraham Chaim Noeh (Shiurei Torah 3:12) argues that Tosfot holds half a KeBeitzah without the shell. | ||
* What's the halacha? Mishna Brurah 486:1 rules that for Deoritta Mitzvot and Bracha Achrona, one should eat the size of half a KeBeitzah, but for Derabbanan Mitzvot, one third suffices. He adds that since one has to make a Bracha on maror, one should eat half a KeBeitzah. </ref> | * What's the halacha? Mishna Brurah 486:1 rules that for Deoritta Mitzvot and Bracha Achrona, one should eat the size of half a KeBeitzah, but for Derabbanan Mitzvot, one third suffices. He adds that since one has to make a Bracha on maror, one should eat half a KeBeitzah. </ref> | ||
