[Avodah] Kivrey Avos

[Rich, Joel]

The machlokes in Brachos 18a-19a is about whether they know what's
going on *outside* the cemetery.  R Yonoson is the only one who thought
they were completely unaware, and he retracted his opinion.  There is
certainly a lot of material indicating that they are unaware of what's
happening in the outside world, and therefore if one wants them to know
one must go to their graves and inform them; hence Yirmiyahu going to
Mearas Hamachpela and Har Nevo, because without that the Avos and Moshe
would not have heard of the churban.

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See tosfot sotah 34b D"H avotai  as well as michtav meliyahu -yamim noraim where he posits those of high ruchanit stature know nothing of this world once they leave it.
KT
Joel Rich

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