Shavuos 2025 YCQ - May 27, 2025 - Zoom shiur while Rabbi Schachter was in a rehab facility. Is the requirement of kidush and havdala the same on Shabbos and Yom Tov? Can one recite kidush on behalf of another, if one already recited kidush? Do we apply the principle of yatza motzi to converts or to biblical mitzvos? Is techum biblical on Shabbos, Yom Kippur or Yom Tov? When is a techum rectangular and when is a techum circular? Who is required to see that an eiruv is constructed in a city? What requirements are there to be considered a city? How does a city differ from a metropolis? Can we have a mavui today? Why is carrying permitted on Yom Tov? Define machsherei ochel nefesh. Define kavod and oneg and do they apply to Yom Tov? Is one required to eat meat on Yom Tov? Is chicken considered meat? Does one always need to bring two birds as a karban olah? Why is one permitted to boil water on Yom Tov, in order to wash one's face? Can one boil water on Yom Tov in order to bathe one's body?