# C - logical or: ||

logical OR works as follows: just in case it's the result false if both inputs are false, in all other cases the result is true. In next table you can find all possibilities:a | b | x |
---|---|---|

False | False | False |

False | True | True |

True | False | True |

True | True | True |

## ||

### Description

`par1 || par2`

### Input

- par1 - logical value
- par2 - logical value

### Output

- Result - logical value

### Examples

## C

in the source code you can find the equivalent of the above table, for easier orientation at the end of each line is a comment which shows the result.```
a1 = 0 || 0; // a1 = false
a2 = 0 || 1; // a2 = true
a3 = 1 || 0; // a3 = true
a4 = 1 || 1; // a4 = true
```

## C

even one example in what situations we can use the operation logical or:```
(b || c) || a
a || 1
a>1 || a<100
```

## C

Other pieces of example codes:a || 1

(10 >a || a<5)

j > 128 || 0

you can find it in the following collections: logical operators

logical or in another programming language:

Differences to: