[Avodah] Klalei horaah

[Rich, Joel]

Micha Berger wrote:
> Where are you reading from? To me it looks like he denies the 
> premise... The kelalei pesaq are not the hard-n-fast rules of an 
> algorithm, but the rules-of-thumb of a heuristic. (Search the list for 
> that word to see RRW's and my long debate on that subject.)
>
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So are you saying that a rishon could paskin like rav bmamonot with no indication in the gemara that there was a reason not to assume that the particular case at hand was an exception to the general rule stated in the gemara? 
KT
Joel Rich
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