Rabbi Akiva Eiger on Shulchan Arukh, Orach Chayim Siman 477
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
מג"א סק"ב אתכא דרחמנא ע' לק' סו' ת"פ ס"א: