45a72cad_e_for_Benj_Hellie___PhilPapers__Comments
[Question] A priori knowledge: yes or no? [Answer] The question is too unclear to answer [Comments] 
I accept the first-person Moore-equivalence among P, I believe that P, and I know that P. I think that third-person knowledge-ascriptions are something like instructions to regard the beliefs of others as authoritative. I think that collectively these rules exhaust the concept of knowledge. So what could a priori knowledge be? Presumably something like a belief of mine, or a 'deemed-authoritative' belief of another, that does not in some sense 'stem from' perception -- that did not come about by conditionalization on perceptual evidence. Here I see two possibilities: a belief that is 'written in' to one's system of categorization (perhaps by being a commitment of the logic-plus-identities one accepts), and a belief one 'voluntarily' endorses as a requirement of an action one has in progress. I suppose the former looks a bit like a priori knowledge in the traditional sense; still, the picture is relativist and Carnapian in a way that is more at odds with the tradition.
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