Debt is acknowledged to Carnap and Quine. Carnap proposed explication as the goal of philosophy. The distinction between philosophy and theoretical science is a bogus distinction. No such claim is made on behalf of Lehrer's theory. The formulation of an analysis is in terms of an equivalence.
Evaluation is based on whether there are counterexamples.
It must also facilitate reaching our epistemic objectives. Some conditions might be unenlightening. To explain how people know that the input they receive from other people and their own senses is correct information. It may be forumulated in two ways, the first containing the word 'true' and the second dispensing with it. It is accepting something for the purpose of attaining truth and avoiding error with respect to the very thing one accepts.