[Avodah] Mesorah?

[Zev Sero via Avodah]

On 27/01/17 00:48, Rich, Joel via Avodah wrote:
> In Shiurim L’zecher Aba Mori Z”L, R’YBS posits (see page 230) that in a
> difference of opinion concerning a Halacha Moshe Misinai, if one side
> has a kabbalah (tradition) and the other doesn’t, the decision is always
> in favor of the side with the tradition. [Me – assumption being a
> tradition must be correct and not a transmission error?] Whey then would
> we not apply the same logic with a Gzeira Shava (unless you assume there
> was not one where there was a clear tradition of which cases were
> related with which words?)?
>

Perhaps it's like the kashrus of birds, i.e. perhaps there was a time 
when people were allowed to make their own gezeros shavos, so even if 
you received one from your rebbe, perhaps it derives not from Moshe but 
from someone who made it up himself, and who may have been wrong.

-- 
Zev Sero                May 2017, with its *nine* days of Chanukah,
zev at sero.name           be a brilliant year for us all