{"id":38840,"date":"2020-02-11T14:15:20","date_gmt":"2020-02-11T14:15:20","guid":{"rendered":"https:\/\/www.oracletutoring.ca\/blog\/?p=38840"},"modified":"2020-02-11T14:15:22","modified_gmt":"2020-02-11T14:15:22","slug":"math-surjection","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/math-surjection\/","title":{"rendered":"Math: surjection"},"content":{"rendered":"\n<h2>Tutoring math, definitions can be interesting. The tutor mentions surjection.<\/h2>\n<p>\nIn my <a href=\"https:\/\/www.oracletutoring.ca\/blog\/math-codomain-vs-range\/\">previous post<\/a> I mention codomain and its relation to the range. Now I continue with surjection.<\/p>\n<p>\nA function is a surjection, or surjective, if and only if its range contains every member of its codomain: that is, if for every y in its codomain, there is an x in its domain so that f(x)=y.\n<\/p>\n<p>Source:<\/p>\n<p><a href=\"https:\/\/www.cs.colorado.edu\/~srirams\/courses\/csci2824-spr14\/functionTypes-18.html\">cs.colorado.edu<\/a><\/p>\n<p><a href=\"https:\/\/www.encyclopediaofmath.org\/index.php\/Surjection\">encyclopediaofmath.org<\/a><\/p>\nJack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.\n","protected":false},"excerpt":{"rendered":"<p>Tutoring math, definitions can be interesting. The tutor mentions surjection. In my previous post I mention codomain and its relation to the range. Now I continue with surjection. A function is a surjection, or surjective, if and only if its &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/math-surjection\/\"> <span class=\"screen-reader-text\">Math: surjection<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-38840","post","type-post","status-publish","format-standard","hentry","category-math"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/38840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=38840"}],"version-history":[{"count":2,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/38840\/revisions"}],"predecessor-version":[{"id":38842,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/38840\/revisions\/38842"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=38840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=38840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=38840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}