Mohel Mohel A mohel ( , Ashkenazi pronunciation , plural: "mohalim" , "mohala", "circumciser") is a Jew trained in the practice of "brit milah", the "covenant of circumcision." The noun "mohel" ("mohala" in Aramaic) "circumciser", is derived from the same verb stem as "milah" "circumcision." The noun appeared for the first time in the fourth century as the title of a circumciser (Shabbat 156a). For Jews, male circumcision is mandatory, as it is prescribed in the Torah. In the Book of Genesis as a mark of the Covenant between God and the descendants of Abraham: "Throughout all generations, every male shall
The purpose of a system is what it does The purpose of a system is what it does The purpose of a system is what it does (POSIWID) is a systems thinking heuristic coined by Stafford Beer. Stafford Beer coined the term POSIWID and used it many times in public addresses. In his address to the University of Valladolid, Spain, in October 2001, he said "According to the cybernetician, the purpose of a system is what it does. This is a basic dictum. It stands for bald fact, which makes a better starting point in seeking understanding than the familiar attributions of good intention, prejudices about expectations, moral judgment,