ABSTRACT
This Chapter provides an overview of modal knowledge accounts. In section 2.1, it present Nozick’s sensitivity-based knowledge account and, in section 2.2, three well-known problems for this account: insensitive inductive knowledge, implausible closure failure, and the problem of one-sided methods. In section 2.3, it discusses alternative sensitivity accounts as proposed by DeRose, Black, Roush, and Becker that attempt to handle problems of insensitive knowledge and/or closure failure better than Nozick’s account does. Section 2.4 is devoted to the alternative modal principle of safety and problems for safety accounts of knowledge.
