A triangular graphic representing a "hierarchy of disagreement" from clear refutation to mere vituperation, based on th essay "<a rel="nofollow" class="external text" href="http://www.paulgraham.com/disagree.html">How to Disagree</a>" by <a href="https://en.wikipedia.org/wiki/Paul_Graham" class="extiw" title="w:Paul Graham">Paul Graham</a>.
CreateDebate user <a rel="nofollow" class="external text" href="http://www.createdebate.com/user/viewprofile/Loudacris">'Loudacris'</a>
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CreateDebate Blog at <span class="url"><a rel="nofollow" class="external text" href="http://blog.createdebate.com/2008/04/07/writing-strong-arguments/">blog.createdebate.com/2008/04/07/writing-strong-arguments/</a></span>