Evidentials, Knowledge and Belief

The notion of evidence is mostly taken for granted in the study of evidentials. This paper reports on the initial stage of a research program that attempts to determine what properties are necessary for a proposition to count as ‘evidence for evidentials.’ The conclusion of this initial paper is that such evidence must be knowledge, on the basis of application of skeptical arguments, which can be thought of as a test for knowledge. A consideration of Gettier cases yields the result that perspectives must also be taken into account. The argument is developed within a Bayesian framework.