These are often referred to as "logic grid" puzzles. The only information filled in is that only Simon is 15 and Jane does not like the color greenĪnother form of logic puzzle, popular among puzzle enthusiasts and available in magazines dedicated to the subject, is a format in which the set-up to a scenario is given, as well as the object (for example, determine who brought what dog to a dog show, and what breed each dog was), certain clues are given ("neither Misty nor Rex is the German Shepherd"), and then the reader fills out a matrix with the clues and attempts to deduce the solution. JSTOR ( October 2019) ( Learn how and when to remove this template message)Ī logic puzzle grid.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification. Some popular forms include Sudoku, which involves using deduction to correctly place numbers in a grid the nonogram, also called "Paint by Numbers", which involves using deduction to correctly fill in a grid with black-and-white squares to produce a picture and logic mazes, which involve using deduction to figure out the rules of a maze. There are also logic puzzles that are completely non-verbal in nature. He popularized the " knights and knaves" puzzles, which involve knights, who always tell the truth, and knaves, who always lie. Smullyan continued and expanded the branch of logic puzzles with books such as The Lady or the Tiger?, To Mock a Mockingbird and Alice in Puzzle-Land. In the second half of the 20th century mathematician Raymond M. Dodgson goes on to construct much more complex puzzles consisting of up to 8 premises. Puzzles like this, where we are given a list of premises and asked what can be deduced from them, are known as syllogisms. In his book The Game of Logic he introduced a game to solve problems such as confirming the conclusion "Some greyhounds are not fat" from the statements "No fat creatures run well" and "Some greyhounds run well". The logic puzzle was first produced by Charles Lutwidge Dodgson, who is better known under his pen name Lewis Carroll, the author of Alice's Adventures in Wonderland. A logic puzzle is a puzzle deriving from the mathematical field of deduction.
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