According to the Ramsey test, it follows that all instances of (1) and (2) are acceptable to a rational subject. But if one accepts all instances of (1), one should accept that one is omniscient. And if one accepts all instances of (2), one should accept that one is infallible. So the Ramsey test and Moorean reasoning entail that rational subjects should accept that they have the epistemic powers of a god.Go ahead. Read it. Then try to prove them wrong.
[Link via Jonathan Ichikawa's great site, Online Papers in Philosophy.]