True and False for logic and Logic table

Question

Table true false for C Language I have heard of a table true false for C Language for and  amp  amp  or    is kind of the mathematics one for which they say if true true true and false true false I m just kind of confuse on this and I tried to do the research but couldn t find any of the table I just wish to have this table for my notes since I will do more in C language if someone could bring me to the site or resources where they explain about this more  I ve edited my original question to make it a note for my own study  Thanks  thiton for the great references and the rest for an awesome answer resources  Logical AND   amp  amp   false  amp  amp  false  false false  amp  amp  true  false true  amp  amp  false  false true  amp  amp  true  true Logical OR      false    false  false false    true  true true    false  true true    true  true Logical NOT      false  true  true  false

User · Accepted Answer

You probably mean a truth table for the boolean operators  which displays the result of the usual boolean operations   amp  amp        This table is not language-specific  but can be found e g  here

User · Answer

I think You ask for Boolean algebra which describes the output of various operations performed on boolean variables  Just look at the article on Wikipedia

User · Answer

I d like to add to the already good answers   The symbols          and  -  are sometimes used as shorthand in some older textbooks for OR    and  AND    and  NOT     logical operators in Bool s algebra  In C C   of course we use  and    amp  amp   and  or       and  not        Watch out   true   true  evaluates to 2 in C C   via internal representation of true and false as 1 and 0  and the implicit cast to int   int main        std  cout  lt  lt    true - true      lt  lt  true - true  lt  lt  std  endl     This can be used as signum function       x  gt  0  -  x  lt  0   evaluates to  1 or -1 for numbers    std  cout  lt  lt    true - false      lt  lt  true - false  lt  lt  std  endl    std  cout  lt  lt    false - true      lt  lt  false - true  lt  lt  std  endl    std  cout  lt  lt    false - false      lt  lt  false - false  lt  lt  std  endl  lt  lt  std  endl     std  cout  lt  lt    true   true      lt  lt  true   true  lt  lt  std  endl    std  cout  lt  lt    true   false      lt  lt  true   false  lt  lt  std  endl    std  cout  lt  lt    false   true      lt  lt  false   true  lt  lt  std  endl    std  cout  lt  lt    false   false      lt  lt  false   false  lt  lt  std  endl  lt  lt  std  endl     std  cout  lt  lt    true   true      lt  lt  true   true  lt  lt  std  endl    std  cout  lt  lt    true   false      lt  lt  true   false  lt  lt  std  endl    std  cout  lt  lt    false   true      lt  lt  false   true  lt  lt  std  endl    std  cout  lt  lt    false   false      lt  lt  false   false  lt  lt  std  endl  lt  lt  std  endl     std  cout  lt  lt    true   true      lt  lt  true   true  lt  lt  std  endl        std  cout  lt  lt   true   false  lt  lt  std  endl     -Wdiv-by-zero   std  cout  lt  lt    false   true      lt  lt  false   true  lt  lt  std  endl  lt  lt  std  endl        std  cout  lt  lt   false   false  lt  lt  std  endl  lt  lt  std  endl     -Wdiv-by-zero    std  cout  lt  lt     true    true       lt  lt   true    true   lt  lt  std  endl    std  cout  lt  lt     true    false       lt  lt   true    false   lt  lt  std  endl    std  cout  lt  lt     false    true       lt  lt   false    true   lt  lt  std  endl    std  cout  lt  lt     false    false       lt  lt   false    false   lt  lt  std  endl  lt  lt  std  endl     std  cout  lt  lt     true  amp  amp  true       lt  lt   true  amp  amp  true   lt  lt  std  endl    std  cout  lt  lt     true  amp  amp  false       lt  lt   true  amp  amp  false   lt  lt  std  endl    std  cout  lt  lt     false  amp  amp  true       lt  lt   false  amp  amp  true   lt  lt  std  endl    std  cout  lt  lt     false  amp  amp  false       lt  lt   false  amp  amp  false   lt  lt  std  endl  lt  lt  std  endl       yields    true - true   0 true - false   1 false - true   -1 false - false   0  true   true   2 true   false   1 false   true   1 false   false   0  true   true   1 true   false   0 false   true   0 false   false   0  true   true   1 false   true   0   true    true    1  true    false    1  false    true    1  false    false    0   true  amp  amp  true    1  true  amp  amp  false    0  false  amp  amp  true    0  false  amp  amp  false    0

User · Answer

You re thinking of Boolean algebra

User · Answer

Truth values can be described using a Boolean algebra  The article also contains tables for and and or  This should help you to get started or to get even more confused

[c] True and False for && logic and || Logic table

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