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In current practice, the single 'word' "iff" is almost always read as the four words "if and only if". However, in the preface of General Topology , Kelley suggests that it should be read differently: "In some cases where mathematical content requires 'if and only if' and euphony demands something less I use Halmos' 'iff ' ".
In mathematics, theorems are often stated in the form "P is true if and only if Q is true". Because, as explained in previous section, necessity of one for the other is equivalent to sufficiency of the other for the first one, e.g. P ⇐ Q {\displaystyle P\Leftarrow Q} is equivalent to Q ⇒ P {\displaystyle Q\Rightarrow P} , if P is necessary ...
Venn diagram of (true part in red) In logic and mathematics, the logical biconditional, also known as material biconditional or equivalence or biimplication or bientailment, is the logical connective used to conjoin two statements and to form the statement "if and only if" (often abbreviated as "iff " [1]), where is known as the antecedent, and the consequent.
A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. [2] For example, in the English language , the words begin , start , commence , and initiate are all synonyms of one another: they are synonymous .
Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...
Agreed; but it's worse than that. Hover your mouse over the word 'biconditional' in the very first sentence of the article- because you are (as you say) a person with only a high school education and you have not come across the word before - and you immediately enter an infinite loop. 86.148.153.228 03:39, 14 September 2018 (UTC)
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If Only, English title for Sana Dati, a 2013 Philippine film; If Only, an Italian film; If Only, an Armenian TV series; If Only, Geri Halliwell's 1999 autobiography "If Only" (Descendants song), 2015 "If Only" (KT Tunstall song), 2008 "If Only" (Hanson song), 2000 "If Only", song from Away from the World by Dave Matthews Band