Set (card game) 9th in the 1995 "Deutscher Spiele Preis". Several games can be played with these cards, all involving the concept of a "set". A set consists of three cards satisfying "all" of these conditions: The rules of "Set" are summarized by: If you can sort a group of three cards into "two of ____ and one of ____", then it is not a set. For example, these three cards form a set: Given any two cards from the deck, there is one and only one other card that forms a set with them. In the standard Set game, the dealer lays
How many angels can dance on the head of a pin? about how many could perch at the same time on the head of a pin"". Dorothy L. Sayers argued that the question was "simply a debating exercise" and that the answer "usually adjudged correct" was stated as, "Angels are pure intelligences, not material, but limited, so that they have location in space, but not extension." Sayers compares the question to that of how many people's thoughts can be concentrated upon a particular pin at the same time. She concludes that infinitely many angels can be located on the head of a pin, since they do not occupy any space there: