יח לא שני הוי ולא שלישי הוי ואיידי דאמר שני בקדש אמר נמי אין שני בתרומה קמ"ל
18 Common food, unclean in the first degree, is itself unclean and renders unclean;<span class="x" onmousemove="('comment',' The terms 'unclean' and 'invalid' are here used in a specific and technical sense; the former signifying, 'that which is itself unclean and will also by contact defile other food', the latter signifying, 'that which is itself unclean but will not defile other food'.');"><sup>8</sup></span>