 In Gettier’s cases, the justified true belief is inferred from a justified false belief. So condition (iv) explains why it isn’t knowledge. However, this “no false lemmas” proposal is not successful in general. There are examples of Gettier cases that need involve no inference; therefore, there are possible cases of justified true belief without knowledge, even though condition (iv) is met. Suppose, for example, that James, who is relaxing on a bench in a park, observes an apparent dog in a nearby field. So he believes