Pronunciation: /ɪgˈzækt li/ ?

In mathematics, the word exactly is used to emphasize that only one of a set of choices is allowed. The sentence, "Exactly one of these is true," means that no more than one and no less than one can be true, but precisely one is true.


  1. exactly. http://wordnet.princeton.edu/. WordNet. Princeton University. (Accessed: 2011-01-08). http://wordnetweb.princeton.edu/perl/webwn?s=exactly&sub=Search+WordNet&o2=&o0=1&o7=&o5=&o1=1&o6=&o4=&o3=&h=.

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Exactly. 2007-09-24. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/e/exactly.html.


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2007-09-24: Initial version (McAdams, David.)

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