Caveat emptor Caveat emptor Caveat emptor (, ) is Latin for "Let the buyer beware" (from "caveat", "may he beware", a subjunctive form of "cavēre", "to beware" + "ēmptor", "buyer"). Generally, "caveat emptor" is the contract law principle that controls the sale of real property after the date of closing, but may also apply to sales of other goods. The phrase "caveat emptor" and its use as a disclaimer of warranties arise from the fact that buyers typically have less information about the good or service they are purchasing, while the seller has more information. The quality of this situation is known
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,