Reference for Arakhin 4:1

עובד כוכבים וחבירו מחד קרא נפקי אייתרי להו תרי

he would infer [the exclusion of] idolater and neighbour from one passage,<span class="x" onmousemove="('comment',' The word 'his' could exclude both the fellow-Jew and the idolater, since the Scriptural 'his sacrifice' logically excludes both.');">¹</span>

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