problem of eight queens
21Mathematical puzzle — Mathematical puzzles make up an integral part of recreational mathematics. They have specific rules as do multiplayer games, but they do not usually involve competition between two or more players. Instead, to solve such a puzzle, the solver must …
22List of puzzle topics — This is a list of puzzle topics, by Wikipedia page.See also: * List of impossible puzzles * List of puzzle based computer and video games * List of game topics.* Acrostic * Anagram * Back from the klondike * Burr puzzle * Chess problem * Chess… …
23List of distributed computing projects — A list of distributed computing projects. Berkeley Open Infrastructure for Network Computing (BOINC) The Berkeley Open Infrastructure for Network Computing (BOINC) platform is currently the most popular volunteer based distributed computing… …
24List of mathematics articles (E) — NOTOC E E₇ E (mathematical constant) E function E₈ lattice E₈ manifold E∞ operad E7½ E8 investigation tool Earley parser Early stopping Earnshaw s theorem Earth mover s distance East Journal on Approximations Eastern Arabic numerals Easton s… …
25Soma cube — The Soma cube is a solid dissection puzzle invented by Piet Hein during a lecture on quantum mechanics conducted by Werner Heisenberg. Seven pieces made out of unit cubes must be assembled into a 3x3x3 cube. The pieces can also be used to make a… …
26Latin square — A Latin square is an n times; n table filled with n different symbols in such a way that each symbol occurs exactly once in each row and exactly once in each column. Here is an example: egin{bmatrix} 1 2 3 2 3 1 3 1 2 end{bmatrix} Latin squares… …
27Topic outline of games — For a more comprehensive list, see the List of game topics. Games are structured or semi structured activities, usually undertaken for enjoyment. They are usually fun activities that can be educational or purely just for fun. The term game is… …
28Outline of games — See also: Index of game related articles The following outline is provided as an overview of and topical guide to games and gaming: Games – structured or semi structured activities, usually undertaken for enjoyment. They are usually fun… …
29Stable model semantics — The concept of a stable model, or answer set, is used to define a declarative semantics for logic programs with negation as failure. This is one of several standard approaches to the meaning of negation in logic programming, along with program… …
30NEW YORK CITY — NEW YORK CITY, foremost city of the Western Hemisphere and largest urban Jewish community in history; pop. 7,771,730 (1970), est. Jewish pop. 1,836,000 (1968); metropolitan area 11,448,480 (1970), metropolitan area Jewish (1968), 2,381,000… …
