My question can apply to virtually all mitzvos where there is a disagreement in the standard way to fulfill them. If one reads the hakdama (introduction) to the Rambam's peirush mishnayos (commentary ...
Rabbi Shlomo Yitzhaki, better known today as Rashi, was easily the most prolific commentator on the Tanach and Talmud in history in the sense that he commentated on most of the Talmud and, I believe, ...
Someone pointed out on a local email list that the ending time for Tish'ah BeAv is listed differently - significantly so - at various institutions in our local community. He noted the following times ...