Set (cards) rank and a quartet is one of four cards of the same rank. Usually a pair (2 cards of the same rank but different suits) is not counted as a "set"; but some games, such as Bieten or Perlaggen do include pairs as sets. A wild set, as opposed to a natural set, is one containing wild cards such as jokers or deuces rather than 'natural cards'. Set (cards) A set or group in card games is a scoring combination consisting of three or more playing cards of the same rank; in some games, such as Bieten, a set may
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: