Take the 2-minute tour ×  A close friend of mine asked me to
fire this question at the mi.yodeya community so here goes:  "I
came across this rather interesting rendition of "kashrus
Explained", not sure who authored it, but I was intrigued.
thought I would fire out a little "Mi Yodeya" challenge to you.
Challenge: can any of you point me to a rishon (point me to the
actual source) thats says any of the first three things
befeirush (explicitly)?  Kashrut Explained:  The purposes of
Kashrut are:    1. to limit the number of animals the Jew is
permitted to kill and eat;   2. to render the slaughter of the
permitted animals as painless as possible;   3. to cause
revulsion at the shedding of blood;   4. to instill self-
discipline in the Jew; ( RSRH, Moreh Nevuchim, ...)   5. to help
sustain Judaism and the cohesion of the Jewish community;   6.
to raise the act of eating from an animal-like level. ( tanya,
nefesh hachaim, others....)"  My friend is looking for Rishon-
level sources for only 1-3.  (I personally h