Answer: True
Step-by-step explanation:
Plato did indeed believe that human souls/ minds could survive the death of the body because he believed that they were separate entities. He offered evidence of this in a dialogue titled the ''Phaedo''.
Here he made a series of arguments that he believed showed proof that the soul was a separate entity. One such proof was that the soul was capable of engaging in pure thought while the body did something else. He concluded that the soul was immortal and would exist after death.