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Meaning of AND

Pronunciation:  and

 
Webster's 1913 Dictionary
 
 Definition: 
\And\, conj. [AS. and; akin to OS. endi, Icel. enda, OHG.
anti, enti, inti, unti, G. und, D. en, OD. ende. Cf, {An} if,
{Ante-}.]
1. A particle which expresses the relation of connection or
   addition. It is used to conjoin a word with a word, a
   clause with a clause, or a sentence with a sentence.

Note: (a) It is sometimes used emphatically; as, ``there are
      women and women,'' that is, two very different sorts of
      women. (b) By a rhetorical figure, notions, one of
      which is modificatory of the other, are connected by
      and; as, ``the tediousness and process of my travel,''
      that is, the tedious process, etc.; ``thy fair and
      outward character,'' that is, thy outwardly fair
      character, --Schmidt's Shak. Lex.

2. In order to; -- used instead of the infinitival to,
   especially after try, come, go.

         At least to try and teach the erring soul. --Milton.

3. It is sometimes, in old songs, a mere expletive.

         When that I was and a little tiny boy. --Shak.

4. If; though. See {An}, conj. [Obs.] --Chaucer.

         As they will set an house on fire, and it were but
         to roast their eggs.                  --Bacon.

{And so forth}, and others; and the rest; and similar things;
   and other things or ingredients. The abbreviation, etc.
   (et cetera), or &c., is usually read and so forth.

 
Computing Dictionary
 
 Definition: 

(Or "conjunction") The boolean function which is true only if all its arguments are true. The truth table for the two argument AND function is:

 A | B | A AND B
 --+---+---------
 F | F |    F
 F | T |    F
 T | F |    F
 T | T |    T

AND is often written as an inverted "V" in texts on logic. In the c programming language it is represented by the && (logical and) operator.

 

 

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