Epistemic Dimensions of Ignorance

Ignorance is a neglected issue in philosophy. This is surprising for, contrary to what one might expect, it is not clear what ignorance is. Some philosophers say or assume that it is a lack of knowledge, whereas others claim or presuppose that it is an absence of true belief. What is one ignorant of when one is ignorant? What kinds of ignorance are there? This neglect is also remarkable because ig...