מה שהורה הראב"ד ז"ל בכף של איסור וקערה של איסור אין משערין אלא במה שיוצא מן הכף או מן הקערה וכן ההיתר לא נשער אלא מה שבקדרה ואנו רגילין לשער הכף עצמה כאילו היא חתי' איסור ואם הגיסו בה הקדרה נשער כל מה שבקדרה והקדירה עצמה כאלו היא חתי' של היתר ושאלתי אם טוב להורות ולעשות מעשה הרב או אם טוב להורות כאשר רגילין:
Regarding the ruling of R. Abraham b. David of blessed memory, who held that in the case of a non-kosher spoon or vessel, when it comes into contact with [hot] kosher food, we only calculate the actual amount of non-kosher taste released from the spoon or vessel.1i.e, in calculating the ratio of forbidden taste to determine whether it is nullified by sixty times its volume of permitted food, rendering the mixture permitted. Quoted in Bedek Habayit in Beit Yosef, Yoreh Deah 94. So too in the calculation of the permitted food, he held that only the volume of the food in the vessel is calculated. We, however, are accustomed to view the entire spoon as if it is a forbidden object2and calculate proportionally to the volume of the entire spoon, and if it stirred the food in the pot, we calculate the [volume of] all the food in the pot and the pot itself, as if it were permitted food3In Torat Habayit HaAroch, Fourth House, First Gate 1, we find "The French rabbis have rejected the opinion of R. Abraham b. David." As for including the volume of the pot in the calculation, this is a debate between Rashi on Chullin 97b:7:3 and the rabbis cited in Tosafot on Chullin 97b:7. I asked [in my dream] whether it would be correct to instruct according to the ruling of the aforementioned sage, or whether to instruct according to our practice.
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והשיבו אמור לחכמה אחותי את אם ברור לך הדבר (שהוא) כאחותך שהיא אסורה לך אמרהו ומי יוכל לשער ולברר מה שיצא מהכף. ואחר שעה השיבו אחד היה אברהם ואחרי רבים להטות:
They responded: "Say to Wisdom, my sister are you!" (Proverbs 7:4) - "if something is as clear to you as the prohibition of your sister, only then speak it." (Sanhedrin 7b:2) And who can truly examine and calculate how much flavour was exuded from a spoon? Some time later they responded: "One was Abraham," (Ezekiel 33:24) "Incline after the majority." (Exodus 23:2) *i.e., the opinion of R. Abraham b. David is rejected.
מה שהורה הראב"ד ז"ל בכף של איסור וקערה של איסור אין משערין אלא במה שיוצא מן הכף או מן הקערה וכן ההיתר לא נשער אלא מה שבקדרה ואנו רגילין לשער הכף עצמה כאילו היא חתי' איסור ואם הגיסו בה הקדרה נשער כל מה שבקדרה והקדירה עצמה כאלו היא חתי' של היתר ושאלתי אם טוב להורות ולעשות מעשה הרב או אם טוב להורות כאשר רגילין:
Regarding the ruling of R. Abraham b. David of blessed memory, who held that in the case of a non-kosher spoon or vessel, when it comes into contact with [hot] kosher food, we only calculate the actual amount of non-kosher taste released from the spoon or vessel.1i.e, in calculating the ratio of forbidden taste to determine whether it is nullified by sixty times its volume of permitted food, rendering the mixture permitted. Quoted in Bedek Habayit in Beit Yosef, Yoreh Deah 94. So too in the calculation of the permitted food, he held that only the volume of the food in the vessel is calculated. We, however, are accustomed to view the entire spoon as if it is a forbidden object2and calculate proportionally to the volume of the entire spoon, and if it stirred the food in the pot, we calculate the [volume of] all the food in the pot and the pot itself, as if it were permitted food3In Torat Habayit HaAroch, Fourth House, First Gate 1, we find "The French rabbis have rejected the opinion of R. Abraham b. David." As for including the volume of the pot in the calculation, this is a debate between Rashi on Chullin 97b:7:3 and the rabbis cited in Tosafot on Chullin 97b:7. I asked [in my dream] whether it would be correct to instruct according to the ruling of the aforementioned sage, or whether to instruct according to our practice.
והשיבו אמור לחכמה אחותי את אם ברור לך הדבר (שהוא) כאחותך שהיא אסורה לך אמרהו ומי יוכל לשער ולברר מה שיצא מהכף. ואחר שעה השיבו אחד היה אברהם ואחרי רבים להטות:
They responded: "Say to Wisdom, my sister are you!" (Proverbs 7:4) - "if something is as clear to you as the prohibition of your sister, only then speak it." (Sanhedrin 7b:2) And who can truly examine and calculate how much flavour was exuded from a spoon? Some time later they responded: "One was Abraham," (Ezekiel 33:24) "Incline after the majority." (Exodus 23:2) *i.e., the opinion of R. Abraham b. David is rejected.