For I long time, I have wondered about the rule of אין גוזרין גזירה לגזירה. While Rashi (Beitzah 2b) and others in his Beit Midrash (Machzor Vitri Avot 1) make it clear that this is a biblical rule, and many Achronim follow suit, it is far from clear that the Gemara felt that way. In some places (Chullin 104a-b) it is basically explicit that there are cases when we can make decrees to protect decrees. Even when the Gemara says that we do not, it seems like Chazal did not, rather than they could not. Finally, many Rishonim and Achronim thought that we do make decrees to protect decrees in certain circumstances (ex. Karet, as the Beit Yosef notes in several places, such as Yoreh Deah 183). Continue reading Ein Gozrin Gzeira L’Gzeira – Really?