NAME
    (( ... )) - Evaluate arithmetic expression.

SYNOPSIS
    (( expression ))

DESCRIPTION
    Evaluate arithmetic expression.
    
    The EXPRESSION is evaluated according to the rules for arithmetic
    evaluation.  Equivalent to "let EXPRESSION".
    
    Exit Status:
    Returns 1 if EXPRESSION evaluates to 0; returns 0 otherwise.

SEE ALSO
    bash(1)

IMPLEMENTATION
    GNU bash, version 5.0.17(1)-release (x86_64-redhat-linux-gnu)
    Copyright (C) 2019 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>