<p>We don't just post answers to self-study questions where we give the proof of whatever the OP is asking. I think this is a good policy. However, that seems to mean that any post in response to a self-study question is going to be more like a comment and dialogue, at least according to the usual rules about .</p>

<p>What would warrant an answer to a self-study question as opposed to a comment?</p>
