יט ר' אלעזר לא על לבי מדרשא אשכחיה לרבי אסי א"ל מאי אמור רבנן בי מדרשא א"ל
19 Mar, the son of R'Ashi demurred: Why should this<span class="x" onmousemove="('comment',' The case of a heathen having a share in an animal which renders it either trefah or nebelah. rda rda rd rda');"><sup>41</sup></span> be different from the premature [first births] of animals, which although they are not viable, are sacred? For a Master said: The words, [And every firstling that is a male] which thou hast coming from an animal [shall be the Lord's],<span class="x" onmousemove="('comment',' Ex. XIII, 12 (sheger) coming from the word (shegor) , the root being to dwell, sojourn. Or (shegor) that which it casts forth prematurely.');"><sup>42</sup></span> [denote the foetus] which dwells in the animal? - There,<span class="x" onmousemove="('comment',' In the case of premature first births.');"><sup>43</sup></span> since there is no mixture of an unconsecrated [part of the animal],<span class="x" onmousemove="('comment',' Shared by a heathen.');"><sup>44</sup></span> we apply to it the words 'in the animal', 'all the first-born'.<span class="x" onmousemove="('comment',' Whatever is in the animal has the holiness of a firstling.');"><sup>45</sup></span> Here,<span class="x" onmousemove="('comment',' In the case of the mother.');"><sup>46</sup></span> however, since there is a mixture of the unconsecrated part of the animal,<span class="x" onmousemove="('comment',' Shared by a heathen.');"><sup>47</sup></span> we do not read concerning it the words 'all the first-born'.<span class="x" onmousemove="('comment',' Which phrase denotes that any part shared by an Israelite makes it subject to the law of the first-born.');"><sup>48</sup></span> R'Eleazar once did not attend the House of Study. He came across R'Assi and asked him 'What did the Rabbis say in the House of Study'? - He replied