You have to distinguish between the three:
The statement contains different type of beliefs but is a belief itself.
The statement is a belief itself and contains different type of beliefs, and is believed on the basis of other beliefs.
The statement contains different type of beliefs and is a belief itself, and is not believed on the basis of other beliefs.
The statement contains different type of beliefs but is a belief itself.
The statement is a belief itself and contains different type of beliefs, and is believed on the basis of other beliefs.
The statement contains different type of beliefs and is a belief itself, and is not believed on the basis of other beliefs.