Autocracy. An autocracy is a system of government in which supreme power is concentrated in the hands of one person, whose decisions are subject to neither external legal restraints nor regularized mechanisms of popular control
Answer:
He is saying that human perception is not true knowledge (to the prisoners the shadows are reality) and instead, real knowledge can only come via philosophical reasoning.
Explanation:
Plato claimed that knowledge gained through the senses is no more than opinion, in order to have real knowledge, we must gain it through philosophical reasoning.