{"id":19345,"date":"2017-11-04T22:59:01","date_gmt":"2017-11-05T03:59:01","guid":{"rendered":"http:\/\/blog.kenperlin.com\/?p=19345"},"modified":"2017-11-04T23:02:13","modified_gmt":"2017-11-05T04:02:13","slug":"applied-math","status":"publish","type":"post","link":"http:\/\/blog.kenperlin.com\/?p=19345","title":{"rendered":"Applied math"},"content":{"rendered":"<p>Recent statements by Whitehouse chief of staff John Kelly provide an interesting opportunity to learn about math.  I&#8217;m thinking specifically about Kelly&#8217;s statement that we shouldn&#8217;t judge the opinion on slavery by Robert E. Lee through the lens of modern sensibilities.<\/p>\n<p>Kelly&#8217;s argument, as I understand it, is that we shouldn&#8217;t be too harsh on Lee, because most people thought slavery was perfectly normal back in the early 1860&#8217;s.  Therefore, he reasons, it is unfair to judge Lee by applying our 21st century values.<\/p>\n<p>Let&#8217;s do some math.  Suppose we say, to be generous, that 60% of white Americans were at the time in favor of slavery (the actual percentage was lower, but I&#8217;m being generous).<\/p>\n<p>Now we know that in slave-holding regions of the U.S., roughly 40% of the population consisted of slaves.  Let&#8217;s put these numbers together, with the reasonable assumption that slaves themselves were not in favor of slavery.<\/p>\n<p>If 60% of 60% of a population is pro-slavery, that means that 36% that population is pro-slavery, which means that 64% is against slavery.  That comes out to an overwhelm opinion against slavery:  Nearly twice as many people are against slavery than are for it.<\/p>\n<p>Unless you think that certain darker skinned members of the population were not &#8220;people&#8221;.  Hmm.<\/p>\n<p>Surely that&#8217;s not what Kelly is implying.  Or is it?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recent statements by Whitehouse chief of staff John Kelly provide an interesting opportunity to learn about math. I&#8217;m thinking specifically about Kelly&#8217;s statement that we shouldn&#8217;t judge the opinion on slavery by Robert E. Lee through the lens of modern sensibilities. Kelly&#8217;s argument, as I understand it, is that we shouldn&#8217;t be too harsh on &hellip; <a href=\"http:\/\/blog.kenperlin.com\/?p=19345\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Applied math&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/19345"}],"collection":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19345"}],"version-history":[{"count":5,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/19345\/revisions"}],"predecessor-version":[{"id":19350,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/19345\/revisions\/19350"}],"wp:attachment":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19345"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}