The maseches-eruvin tag has no wiki summary.
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How does this math work out?
The Gemara Eiruvin 56b said that the Migrash (the orange area) is one quarter of the area of the sados (the green area). Let's look at the math. (This is how I understood the maskana)
greenArea = ...
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Is there a law of Hachana?
The Gemara (Eiruvin 38) says that R' Eliezer holds of Hachana or else one would be allowed to lechatchila make an eiruv on the second day.
On the other hand, when R' Chisda says that there is such a ...
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Why don't merchants have torah, according to R. Yochanan?
The g'mara on Eiruvin 55a, expounding "it is not in heaven...nor across the sea" (D'varim 30:12-13), says (Soncinco translation):
Raba expounded, It is not in heaven, it is not to be found with ...
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Netzach, Selah, Vaed - what is the difference between these words?
Eruvin 54a says that it was taught by Rabbi Eliezer ben yaakov that wherever it says Netzach, Selah, or Vaed it means it will remain so forever. "כל מקום שנאמר 'נצח' 'סלה' 'ועד' – אין לו הפסק עולמית" ...
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Can we really estimate halachic distances?
A mishna on Eiruvin 41b tells of a ship that was coming into harbor at dusk coming into Shabbat. Since Shabbat had already begun when the ship docked, those on board asked R. Gamaliel if they could ...
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What would be the problem with these strange walls?
The Gemara discusses whether a fence made with just Shesi (horizontal component) or just Eirev (vertical component) is a wall. Some opinions say that its not.
Then there is another Gemara which ...
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Should a torah scholar be cruel to his family?
Eiruvin(21b-22a): His locks are curled (Shir HaShirm 5:11). Mar Ukva says that teaches us that we are to make many interpretations on every point of the letters of the Torah. black as a raven – With ...
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How were long-running talmudic discussions actually conducted?
Eiruvin 13b records two years-long disputes between Beit Hillel and Beit Shammai, and surely these are not the only long-running debates. How did that work in practice? Did they really have a single ...
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What were the arguments for and against man's creation?
Eiruvin 13b records a debate in which Beit Shammai says it would have been better for man not to have been created, while Beit Hillel says it's better that we were. What were the specific arguments ...
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What did Beit Hillel and Beit Shammai argue about for three years?
Eiruvin 13b records a dispute between Beit Hillel and Beit Shammai that went on for three years, after which a bat kol (voice from heaven) intervened. The point of bringing this story here in the ...
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Following the stringencies of different opinions
There is a tangential discussion in 'Eruvin, Daf 6b-7a about whether or not we can take the stringencies of two conflicting opinions. The Gemara seems adamant that we cannot, though there are examples ...
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How does the food part of an eiruv work?
I have heard (and daf yomi is reinforcing the impression) that an eiruv depends on two things: the boundary, and that there is some sort of communal food that is shared by those in the enclosed ...
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67 views
How did Avraham save Terach?
The gemarah (eiruvin 19a) states that Avraham Avinu sits at the entrance to gehinom and doesn't allowed anyone circumcised to enter there. The Ariz'l (Sefer Likkutim, Parsha Vayera) states that the ...
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Mikvah Math for the Sea of Shlomo
In calculating the number of Mikvas that the "Sea of Shlomo" could hold, the Gemara (Eruvin 14b) calculates that it would hold 150. The Gemara asks, that being that the Sea was round, and the ...
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Eruv around towns for the purpose of carrying
I was learning the first few chapters of Eyruvin, and I wondering which of the mishnas are the source (or inspiration more likely) for the idea of a string around an area that allows one to carry ...
