[Avodah] What's a city?

Zev Sero zev at sero.name
Wed Jun 20 14:01:22 PDT 2012


On 20/06/2012 4:26 PM, Micha Berger wrote:
> On Tue, Jun 19, 2012 at 06:35:14PM -0400, Zev Sero wrote:
>> Lich'ora, if the property is fenced (and thus a reshut hayachid) one
>> counts the 70 2/3 amot from the fence, not from the house.
>
> Eiruvin 53a and 55b discuss the use use of shuls, warehouses, two and
> three walled structures, unrooved structures (full, 2- or 3- walled),
> a place of AZ, a houseboat, a migrant's shack... The ibbur of a city is
> a corner of a house that juts out, not its yard. If a fenced in reshus
> hayachid were enough, much of that discussion would be moot.

None of those are attached to houses.  A fenced-in yard is part of the
house.


> The focus appears to be on structure, not reshus. The textbook case
> is a "beis dirah". So, the gemara discusses semi-batim and batim that
> aren't diros.

"Dirah" in terms of eruvin doesn't mean residence, it means regular human
use.  Thus a park is "mukaf ledirah" lechol hade'os.  Indeed I believe the
word "dirah" in this context comes not from "ladur", but from "hakones tzon
ladir".


-- 
Zev Sero        "Natural resources are not finite in any meaningful
zev at sero.name    economic sense, mind-boggling though this assertion
                  may be. The stocks of them are not fixed but rather
		 are expanding through human ingenuity."
		                            - Julian Simon




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