Mesorat%20hashas for Shabbat 249:5
במאי קמיפלגי אמר אביי בעושין מעין מלאכה ואין עושין מעין מלאכתן קמיפלגי ואזדא ר' יהודה לטעמיה ור"מ לטעמיה
Our Rabbis taught: The fragments of an old oven<span class="x" onmousemove="('comment',' I.e., one that has already been fired, so that the clay whereof it is made is hardened and fit for its work. ');"><sup>3</sup></span>
Explore mesorat%20hashas for Shabbat 249:5. In-depth commentary and analysis from classical Jewish sources.