Check if a number is in a range with zsh

Why is passing 0 as an argument results in a false positive (prints "True")?

#!/bin/zsh

k="$1"

if ((0 < k < 1))
then
    echo "True"
fi

Note this script is called stitch_applier.sh Terminal

% ./stitch_applier.sh 0
True

This was run on a Linux system.