Answer: as "Vice is Ignorance" stated categorically in the texts, it is interpreted. to mean that in Plato's view moral evil is the result of ignorance. And. from this it is an easy step to the "intellectualist" Plato, who thought. that knowledge of the right thing to do was a sufficient condition of.
Explanation: https://www.jstor.org/stable/pdf/1087523.pdf
Hope this helps :D