Essayist: Knowledge has been defined as a true belief formed by a reliable process  This definition has been criticized on the grounds that if someone had a reliable power of clairvoyance, we would not accept that person' s claim to know certain things on the basis of this power  I agree that we would reject such claims, but we would do so because we really do not believe in clairvoyance as a reliable process
Were we to believe in clairvoyance, we would accept knowledge claims made on the basis of it
asserting that the objection is based on a belief about the reliability of clairvoyance rather than on the nature of knowledge or its definition