[Avodah] How do we evaluate nezeq nowadays of a person?

[Marty Bluke via Avodah]

On Monday, August 22, 2016, Zev Sero <zev at sero.name> wrote:
> On 22/08/16 12:37, Marty Bluke wrote:
>> Yet this din is quoted in shulchan aruch Siman 420.

> Yes. Remember that the Mechaber had smicha, and could therefore in principle
> sit a bet din that would judge dinei chavalos. And there were functioning
> slave markets where such a bet din could conduct such an assessment.

The mechaber does not pasken halachos because he had semicha. In any case
the Tur and other piston including the Aruch Hashulchan who most definitely
did not have semicha bring this lehalacha in Siman 420.