{"version":"1.0","provider_name":"","provider_url":"https:\/\/mathority.org\/nl","author_name":"Redactioneel Team","author_url":"https:\/\/mathority.org\/nl\/author\/mthu1amjl\/","title":"Wat is verzamelingenleer? -Mathoriteit","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"8VOi71gkcy\"><a href=\"https:\/\/mathority.org\/nl\/wat-is-de-verzamelingenleer\/\">Wat is verzamelingenleer?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mathority.org\/nl\/wat-is-de-verzamelingenleer\/embed\/#?secret=8VOi71gkcy\" width=\"600\" height=\"338\" title=\"&#8220;Wat is verzamelingenleer?&#8221; &#8212; \" data-secret=\"8VOi71gkcy\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/mathority.org\/nl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"De verzamelingenleer is een van de vier elementen van de wiskundige logica . Deze theorie analyseert de groepering van elementen door hun kwaliteiten en de verbanden tussen de objecten waaruit het geheel bestaat te bestuderen. Als we het over verzamelingen hebben, bedoelen we in deze theorie abstracte groepen structuren die een soortgelijk kenmerk hebben. In &hellip;  Lees meer &raquo;"}