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Recreational mathematics is not easily defined because it is more than mathematics done as a diversion or playing games that involve mathematics. Recreational mathematics is inspired by deep ideas that are hidden in puzzles, games, and other forms of play. The aim of the SIGMAA on Recreational Mathematics (SIGMAA-Rec) is to bring together ...
In recreational mathematics, rope-burning puzzles are a class of mathematical puzzle in which one is given lengths of rope, fuse cord, or shoelace that each burn for a given amount of time, and matches to set them on fire, and must use them to measure a non-unit amount of time.
The term "puzzle" typically refers to problems in recreational mathematics, geometry, and language — often as a means for education, cognitive skills enhancement in symbolic reasoning or logic. See also Category:Problem solving, for problems which are non-recreational or otherwise outside of the "puzzle" definition.
The problem was originally posed by Henry Dudeney in the English newspaper Weekly Dispatch on 14 June 1903 and collected in The Canterbury Puzzles (1907). Martin Gardner calls it "Dudeney's best-known brain-teaser". [7] A version of the problem was recorded by Adolf Hurwitz in his diary in 1908.
The puzzle was a favorite of Lewis Carroll, [13] and has been reprinted in various collections of recreational mathematics. [2], p. 26. In his 'Arabian Nights' memoir, Meetings with Remarkable Men, the metaphysical Magus, G. I. Gurdjieff cites this riddle as "The Wolf, the goat and the cabbage". He notes, "This popular riddle clearly shows that ...
In geometry, a tetrad is a set of four simply connected disjoint planar regions in the plane, each pair sharing a finite portion of common boundary. It was named by Michael R. W. Buckley in 1975 in the Journal of Recreational Mathematics.