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Nullification: Difference between revisions

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===How the forbidden item is measured===
===How the forbidden item is measured===
# Once a solid food becomes forbidden by a transfer of taste it can never revert to becoming permitted again. That is, even if it is later cooked with sixty times its measure and is nullified, that piece remains forbidden.<ref>The Rashba holds that once a piece of food becomes forbidden it can never revert to become permitted. Tur 106:1 disagrees. Shulchan Aruch Y.D. 106:1 accepts the Rashba. However, in Y.D. 92:4 the Shulchan Aruch uses the language of the Tur. Taz 92:10 and Gra 92:16 point out this contradiction but side with the Rashba. Shach 92:11 reads the Shulchan Aruch 92:4 in light of 106:1. Therefore, the conclusion of the poskim is like the Rashba (Horah Brurah 92:32).</ref>
# Once a solid food becomes forbidden by a transfer of taste it can never revert to becoming permitted again. That is, even if it is later cooked with sixty times its measure and is nullified, that piece remains forbidden.<ref>The Rashba holds that once a piece of food becomes forbidden it can never revert to become permitted. Tur 106:1 disagrees. Shulchan Aruch Y.D. 106:1 accepts the Rashba. However, in Y.D. 92:4 the Shulchan Aruch uses the language of the Tur. Taz 92:10 and Gra 92:16 point out this contradiction but side with the Rashba. Shach 92:11 reads the Shulchan Aruch 92:4 in light of 106:1. Therefore, the conclusion of the poskim is like the Rashba (Horah Brurah 92:32).</ref>
# Once a food becomes forbidden by a transfer of taste in order to nullify it when it is part of a mixture, according to Ashkenazim, one needs to measure sixty times the entire volume of that food. This concept is known as '''Chaticha Naaseh Nevelah''' or '''Chanan'''.<ref>Rama 92:4. Horah Brurah 92:33 points out that many poskim hold that this applies even to a rabbinic prohibition.</ref> Sephardim only hold of this concept by meat and milk but for other prohibitions one only ever needs to nullify the volume of the original prohibition.<ref>Shulchan Aruch 92:4</ref>
# Once a food becomes forbidden by a transfer of taste in order to nullify it when it is part of a mixture, according to Ashkenazim, one needs to measure sixty times the entire volume of that food. This concept is known as ''Chaticha Naaseh Nevelah'' or ''Chanan''.<ref>Gemara Chullin 108b, Rama 92:4. Taz 92:11 points out that many poskim hold that this applies even to a rabbinic prohibition.</ref> Sephardim only hold of this concept by meat and milk but for other prohibitions one only ever needs to nullify the volume of the original prohibition.<ref>Shulchan Aruch 92:4, Horah Brurah 92:34</ref>
# Chanan only applies if one piece became forbidden before the rest of the mixture. That can happen if one piece was completely out of the gravy and something forbidden fell upon it (''Chutz Mrotev''). Another method of chanan is where two pieces are connected such as fat and an inner organ or the heart and meat nearby (''Isur Davuk'').<ref>Rama 92:4</ref>


==Unsure if there is Sixty==
==Unsure if there is Sixty==