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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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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

The law of the excluded middle is related to the law of noncontradiction.

From Textbooks • Jun. 15, 2022

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

I concluded that the maid was uncertain as to the objective validity of the law of excluded middle, and remarked that to her mistress.

From The philosophy of B*rtr*nd R*ss*ll by Various

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