Process of elimination  

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

The process of elimination is a basic logical tool to solve real world problems. By subsequently removing options that may be deemed impossible, illogical, or can be easily ruled out due to some sort of explicit understanding relative to the entire set of options, the pool of remaining possibilities grows smaller. An ideal problem which could be solved by the process of elimination alone involves a finite set of options, one of which must be correct, in which all but one is easily identified as an incorrect solution.

This problem solving method can be applied to help solve many problems in the real world.

An example of the use of the process of elimination when searching for faulty equipment:

By replacing each component in turn with ones that are known to be good, the faulty part will be revealed. This procedure depends upon both a full inventory of system parts and a supply of substitutes.

This process is used during criminal investigations, both to solve cases and narrow down a list of suspects. Another example of the process of elimination is during the popular boardgame Cluedo (known to North Americans as Clue).

Unless indicated otherwise, the text in this article is either based on Wikipedia article "Process of elimination" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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