King Solomon's Takanah: Rambam's Eruv - Hakirah.org

King Solomon’s Takanah: Rambam’s Eruv : 183
area in the desert can preclude that area from becoming a ‏.רה ‏"ר 3 An
area without מחיצות which people settle and utilize is similar to a
and is neither a ‏,כרמלית a valley, which Chazal define as a ‏,בקעה
‏.רה ‏"י nor a
In contrast to other Rishonim, Rambam (ibid.) understands
that one type of רה ‏"י is an area jointly settled by a group of people.
4 ‏,רה ‏"י Bringing civilization to an area—settling it—turns it into to a
while the primary form of ‏"ר is not an area that is shared by large
multitudes, but an area that is not inhabited. "
( . 5 Areas where
all people have equal rights of passage but which are, in fact, not
areas of human habitation, and perhaps even infrequently traveled—
the deserts and forests—epitomize the ‏"ר of the Torah. The fields,
although privately owned but not inhabited, are also included. The
roads and markets that were created by human effort but are areas
where all people have equal rights of passage comprise another type
of ‏"ר , but are listed last.
Rav Yochanan is quoted at one point as suggesting that all of
‏"ר Eretz Yisrael should not be considered a
. " ( . The gemara
suggests that he stated this because the land is surrounded by
mountain ranges. While some Rishonim suggest that the intent of the
gemara is to consider distant mountain ranges as מחיצות that would
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turn the areas within them to
, according to Rambam’s
definition of ‏"ר , the intent of the gemara can be more simply
explained. The gemara was never suggesting that the שווקים ודרכים of
settled areas—the latter type of ‏"ר he lists (that created by man)—
רה ‏"ר
רה
רה
איזו היא רה"ר מדברות
ויערים ושדות ושווקים ודרכים המפולשין להן"‏ ‏(הל'‏ שבת יד:א
רה
אמר רב יצחק בר יוסף רה
א"ר יוחנן ארץ ישראל אין חייבין עליה משום רה"ר"‏ ‏(ערובין כב.‏
רה ‏"י דאורייתא
רה
רה
3 Outside of the לויה ‏,מחנה the encampment of Israel, or at least parts of
ועי ' 15:155–159, . See Torah Sheleimah רה ‏"י it, might very well have been a
פרדר"א פמ"ד ‏"רבי זכריה אומר והיה עמוד הענן סובב את מחנה ישראל כעיר מוקפת
חומה
מחנה יש while the ‏"ר
" . In order for מחנה לויה to be a רה ראל outside of
it was a רה ‏"י would require adopting the principle of Rashba, which will
be discussed later, that the walls encircling a city may still leave the
‏"ר marketplaces inside as
. 4 We will explain this concept at length in the next section.
5 While some dispute the girsaos that claim fields are a ‏"ר ‏,רה there is
conclusive proof from Hilchos Eruvin (1:4) that they are.
רה
. ' תוס'‏ ד"ה אילימא וד"ה דילמא ובריטב"‏ א שם
עי 6