# Logical functions

Logical functions accept any numeric types, but return a UInt8 number equal to 0 or 1.

Zero as an argument is considered "false," while any non-zero value is considered "true".

## and, AND operator

## or, OR operator

## not, NOT operator

## xor


[Original article](https://clickhouse.yandex/docs/en/query_language/functions/logical_functions/) <!--hide-->