The standard way of thinking about 'mental disorders' goes like this:
Take some phenomena and think of a name that stands for all phenomena together.
So far nothing wrong. But then it happens, the given name is being crowned as cause of the phenomena... as in the expression; "depression causes low self esteem, a sense of emptiness,..." while depression is just a given name for all those phenomena. To me that seems as an insult to the laws of logic.
Can someone state a logical proof that this way of thinking is against logical laws?