People writing about open access to learning need to review their knowledge of necessary and sufficient conditions. It is misleading and trite to say "x by itself won't solve the problem of equity". This is true for pretty much any value of x because solving the problem of equity requires that a number of factors be present.PProviding one, but not the other, doesn't improve. Providing only the other doesn't improve access. What is interesting and useful is to show whether or not some factor is necessary, not that it's not sufficient. Sadly, this article doesn't do that.
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