In a time where we know with enough certainty (when compared with other kashrut principles) that cow’s milk sold in most countries where we live is indeed cow’s milk, how do we know whether the laws ...
The Talmud says milk is not kosher unless a Jew supervises the milking, to be sure it's just kosher-animal milk. Assuming one goes by the ruling of R' Moshe Feinstein and others that "knowing" is ...
I assume that the widespread custom of eating/drinking Cholov Stam products (products using milk in which the milking was not observed by a Jew) is relying on the leniency of R' Moshe Feinstein that ...
Regarding the rabbinic decrees instructed in the Talmud, how can one know that a particular rabbinic commandment is binding to all future generations and may not be rescinded or amended ever? . ...