̱»¾²¡
t¨¡nhu¨¤nb¨¬ng
=
̱»¾
+
²¡
-: paralysis
eg.
Mt8#6
⇐
̱»¾²¡t¨¡nhu¨¤nb¨¬ng = ̱»¾ + ²¡ ̱»¾²¡t¨¡nhu¨¤nb¨¬ng = ̱»¾ + ²¡