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excluded middle

British  

noun

  1. logic the principle that every proposition is either true or false, so that there is no third truth-value and no statements lack truth-value

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The law of the excluded middle states that for any statement, either that statement is true, or its negation is true.

From Textbooks • Jun. 15, 2022

If you accept that all statements must be either true or false and you also accept the law of noncontradiction, then you must accept the law of the excluded middle.

From Textbooks • Jun. 15, 2022

There are laws of logic—the law of noncontradiction and the law of the excluded middle.

From Textbooks • Jun. 15, 2022

Law of the excluded middle a logical law that states that for any statement, either that statement or its negation is true.

From Textbooks • Jun. 15, 2022

It will be observed that there is an assumption of space or time in many propositions having the form of the excluded middle.

From The Religious Sentiment Its Source and Aim: A Contribution to the Science and Philosophy of Religion by Brinton, Daniel Garrison

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