Commentary for Eruvin 142:9

א"ל אביי ואי חד טעמא תרתי הילכתא למה לי הא קמ"ל דלא עבדינן כתרי חומרי בעירובין

Now what is the reason?<span class="x" onmousemove="('comment',' That Rab pronounced the halachah to be in agreement with both R. Meir and R. Eleazar b. Taddai.');">²⁹</span> Obviously<span class="x" onmousemove="('comment',' Lit., 'not'?');">³⁰</span> because both rulings are based on the same principle.<span class="x" onmousemove="('comment',' That it is not permissible to rely upon shittuf where an 'erub is required.');">²⁷</span> Said Abaye to him: If the principle is the same what need was there to lay down the halachah, twice?<span class="x" onmousemove="('comment',' It was admittedly necessary for Rab to state that the halachah is in agreement with R. Meir, since otherwise the principle underlying R. Eleazar b. Taddai's ruling would have been unascertainable, and erroneous conclusions affecting the laws of 'erub might have been arrived at (cf. Rashi) ; but why, it is asked, was it also necessary for Rab to state that the halachah is in agreement with R. Eleazar b. Taddai?');">³¹</span>

Explore commentary for Eruvin 142:9. In-depth commentary and analysis from classical Jewish sources.