Műveleti sorrend

$a and $b 
false and false or false = bool(false)
false and  true or false = bool(false)
 true and false or false = bool(false)
 true and  true or false = bool(true)
false and false or true = bool(true)
false and  true or true = bool(true)
 true and false or true = bool(true)
 true and  true or true = bool(true)
$a and $b 
false and false || false = bool(false)
false and  true || false = bool(false)
 true and false || false = bool(false)
 true and  true || false = bool(true)
false and false || true = bool(false)
false and  true || true = bool(false)
 true and false || true = bool(true)
 true and  true || true = bool(true)