Yevamot 7a and Yevamot 7b, pursuing the question of why a verse was needed to teach us other arayot are not eligible for yibum, why the principle of an obligation pushing aside a prohibition doesn’t do it, why a kal va-homer doesn’t do it, and more.
Yevamot 7a and Yevamot 7b, pursuing the question of why a verse was needed to teach us other arayot are not eligible for yibum, why the principle of an obligation pushing aside a prohibition doesn’t do it, why a kal va-homer doesn’t do it, and more.