Eruvin 80
The amount of food required to establish eruv chatzerot/shituf mavoi - what happens if the food geta diminished on Shabbat?

The amount of food required to establish eruv chatzerot/shituf mavoi - what happens if the food geta diminished on Shabbat?
Who is eligible/inelligible of taking over possession of the eruv for a joint alleyway?
The requirement for eruv chatzerot to be set up before bein hashmashot- application to Erev Pesach that falls on Shabbat- should the eruv be made of chametz or matzah?
The Rabbis were sometimes stricter than what is required by Torah law- paramaters and understanding behind this principle
Parameters of windows built into the wall in between properties/homes and application to the laws of eruv and yichud/prohibited seclusion
Joint eruv partnerships where one party forgets to contribute- does this nullify the partnership retroactively? Application to making berachot on behalf of another and making a mistake
The residence that is in a shul- is that considered a halachic residence- would it require the shul to have a mezuza?
The law of eruv for a student at the Rebbe's house- application to guests staying at a hotel, in a communal dining room, and scenario of hotel owner being Jewish
Defining the parameters of a place of residence in halacha regarding eiruv chatzerot, lighting chanuka candles, and mezuza
The halacha of renouncing domain rights on Shabbat- application to one who forgot to be mevatel/nullify befors the onset of the 6th hour on Erev Pesach
May an heir renounce the domain rights when the parent passes away on Shabbat? How far this rule extends in terms of the heirs continuation of the parent
The difference between one who violates Shabbat law in private vs. public and how to define the parameters of public desecration of Shabbat- how many times must the desecration occur? What is considered public?
The requirement to check the eruv in a city before Shabbat, who should be the one to check and how often this should be done
Abaye's teaching that permissible violation of a Rabbinic decree doesn't require one to ask questions about the action until after- was this a blanket allowance?
Rental of gentile domain after Shabbat has begun- application to sale of chametz on Shabbat before Pesach, gift giving on Shabbat
The potential for wine to be a positive factor in revealing the true depths of who a person truly is- how all of this comes out on Purim
The prohibition and source of deciding halacha or praying while intoxicated with wine
How to setup an eruv chatezrot in an apartment building with Jewish and gentle residents to carry in the hallways and stairwells
The parameters of renting the shared area from the gentile in order to effect the eiruv allowing carrying in that space on Shabbat- how this law evolved over history
The law of eruv chatzerot when one of the residents of the shared area is a gentile or a Jew who does not observe the Torah and mitzvot
The halacha of Rabbi Yehoshua ben Levi that a city is treated as 4 amot is "prophetic words"- various interpretations of this concept of prophecy in the post Temple era
The city that only has one entrance vs. a city that has road with an entrance and exit- is the status based on straight vs. curved roads or the ability to go from one end to the other without obstruction?
The measuring procedure for the Shabbat boundary, ir miklat- city of refuge, and the eglah arufa- beheaded heifer in a murder case investigation
Rav Ashi's calculation of the extra space beyond the limits of the Levite city- application of this calculation to discussion in halacha about the requirement to use a microscope while checking sharpness of knife for shechita, bugs in food, etrog on sukkot
The extra 2000 amot of land around the Levite cities, how it was calculated, and why it has unique status in the land of Israel
How to interpret the pasuk of lo bashamayim hi- is it a reference to Torah Study or Teshuva?
The story of Rabbi Preida and the student who needed to study the shiur 400 times, application to the idea of maaser of one's time for others
The debate between Rav and Shmuel about the "new" King of Egypt and its application to a debate in monetary law
The penalty of going beyond the shabbat boundary and this law also being learned from the prophet Yeshayahu
Quoting a halacha in the name of a Sage that never said it- when this is allowed and how it fits with contradicting statements from other places in Shas