[Avodah] timtum halev

[David Riceman]

Micha Berger wrote:
> Still, in all these cases it's where the identity of the meineqes [and
> the kashrus of her diet] is known. Thus, there is no way to prove that 
> the issue is inherent in the milk, rather than the influence of the
> person, or of knowing of a bond to such people, of having had indirect
> treif before, or... but whatever, of eventually knowing rather than
> an inherent metaphysical mechanics.
>   
As I thought I said before, I don't think that these rishonim thought it 
was a metaphysical issue, I think they thought that non-kosher food is 
physically different and produces milk which is physically different, 
and that there is a presumption that a non-Jew eats non-kosher food.

David Riceman