{"id":3022,"date":"2018-08-09T09:34:40","date_gmt":"2018-08-09T07:34:40","guid":{"rendered":"http:\/\/theory-of-science.com\/de\/?page_id=3022"},"modified":"2023-02-21T13:43:48","modified_gmt":"2023-02-21T12:43:48","slug":"ahd","status":"publish","type":"page","link":"https:\/\/theory-of-science.com\/de\/rekonstruktionen\/ahd\/","title":{"rendered":"Abk\u00fcrzungen und Hilfsdefinitionen"},"content":{"rendered":"\n<p>\u2227 ist eine Abk\u00fcrzung f\u00fcr \u00abund\u00bb<\/p>\n\n\n\n<p>\u2228 ist eine Abk\u00fcrzung f\u00fcr \u00aboder\u00bb<\/p>\n\n\n\n<p>\u00ac ist eine Abk\u00fcrzung f\u00fcr \u00abnicht\u00bb<\/p>\n\n\n\n<p>\u2192 ist eine Abk\u00fcrzung f\u00fcr \u00abwenn, dann\u00bb<\/p>\n\n\n\n<p><em>x<\/em>, <em>y<\/em>, <em>z<\/em>, <em>x<\/em><sub>1<\/sub>,<em>x<\/em><sub>2<\/sub>, &#8230;, <em>y<\/em><sub>1<\/sub>,<em>y<\/em><sub>2<\/sub>,&#8230;,<em>a<\/em>, <em>b<\/em>, <em>c<\/em>, <em>e<\/em> und <em>X<\/em>, <em>Y<\/em> sind Variable f\u00fcr Mengen<\/p>\n\n\n\n<p>\u2208 ist eine Abk\u00fcrzung f\u00fcr Elementschaft (f\u00fcr Mengen)<\/p>\n\n\n\n<p><em>X<\/em> sei eine Menge.<br>a. \u0394 ( <em>X<\/em> ) = {\u00a0\u2329 <em>x<\/em>, <em>x<\/em>\u00a0\u232a \/ <em>x<\/em>\u00a0\u2208 <em>X<\/em> }. \u0394 ( <em>X<\/em> ) wird als die <em>Diagonale \u00fcber<\/em> <em>X<\/em> bezeichnet.<br>b. Sei <em>u<\/em>\u00a0\u2286 <em>X<\/em>\u00a0\u00d7 <em>X<\/em> gegeben. <em>u <\/em><sup>-1<\/sup> = {\u00a0\u2329 <em>y<\/em>, <em>x<\/em>\u00a0\u232a \/ <em>x<\/em>\u00a0\u2208 <em>X<\/em>\u00a0\u2227 <em>y<\/em>\u00a0\u2208 <em>X<\/em>\u00a0\u2227\u00a0\u2329 <em>x<\/em>, <em>y<\/em>\u00a0\u232a\u00a0\u2208 <em>u<\/em> }.<br>c. Seien <em>u<\/em><sub>1<\/sub>\u00a0\u2282\u00a0<em>X<\/em>\u00a0\u00d7 <em>X<\/em> und <em>u<\/em><sub>2<\/sub>\u00a0\u2282\u00a0<em>X<\/em>\u00a0\u00d7 <em>Y<\/em> gegeben.\u00a0<em>u<sub>1<\/sub> <\/em><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/theory-of-science.com\/de\/wp-content\/ql-cache\/quicklatex.com-480c54a62a2bca4764ae432eeefd784a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#105;&#114;&#99;\" title=\"Rendered by QuickLaTeX.com\" height=\"6\" width=\"6\" style=\"vertical-align: 1px;\"\/>\u00a0<em>u<\/em><sub>2<\/sub> = {\u00a0\u2329 <em>x<\/em>, <em>z<\/em>\u00a0\u232a \/\u00a0\u2203 <em>y<\/em> (\u00a0\u2329 <em>x<\/em>, <em>y<\/em>\u00a0\u232a\u00a0\u2208\u00a0<em>u<\/em><sub>1<\/sub>\u00a0\u2227\u00a0\u2329 <em>y<\/em>, <em>z<\/em>\u00a0\u232a\u00a0\u2208\u00a0<em>u<\/em><sub>2<\/sub> ) }.<\/p>\n\n\n\n<p><strong>Definition von Uniformit\u00e4ten<br><\/strong>\u2329&nbsp;<em>X<\/em> , <em><strong>U<\/strong><\/em>&nbsp;\u232a ist eine <em>Uniformit\u00e4t \u00fcber X<\/em> gdw<\/p>\n\n\n\n<p>1. <em>X<\/em> ist eine Menge<br>2. <strong>U<\/strong>&nbsp;\u2282 <em>X<\/em>&nbsp;\u00d7 <em>X<\/em><br>3.&nbsp;<strong>U<\/strong>&nbsp;\u2260 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/theory-of-science.com\/de\/wp-content\/ql-cache\/quicklatex.com-54833ab836cd28d9f1e2a624abe97b08_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#101;&#109;&#112;&#116;&#121;&#115;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"7\" style=\"vertical-align: -2px;\"\/><br>4.&nbsp;\u2200 <em>u<\/em><sub>1<\/sub>, <em>u<\/em><sub>2<\/sub> (&nbsp;<em>u<\/em><sub>1<\/sub>&nbsp;\u2208 <strong>U<\/strong>&nbsp;\u2227 <em>u<\/em><sub>1<\/sub>&nbsp;\u2282 <em>u<\/em><sub>2<\/sub>&nbsp;\u2192 <em>u<\/em><sub>2<\/sub>&nbsp;\u2208 <strong>U<\/strong> )<br>5.&nbsp;\u2200 <em>u<\/em><sub>1<\/sub>,&nbsp;<em>u<\/em><sub>2<\/sub> (&nbsp;<em>u<\/em><sub>1<\/sub>&nbsp;\u2208 <strong>U<\/strong>&nbsp;\u2227 <em>u<\/em><sub>2<\/sub>&nbsp;\u2208 <strong>U<\/strong>&nbsp;\u2192 <em>u<\/em><sub>1<\/sub>&nbsp;\u2229 <em>u<\/em><sub>2<\/sub>&nbsp;\u2208 <strong>U<\/strong> )<br>6.&nbsp;\u2200 u ( u&nbsp;\u2208 <strong>U<\/strong>&nbsp;\u2192 \u0394 ( <em>M<sub>p<\/sub><\/em> )&nbsp;\u2282 u )<br>7.&nbsp;\u2200 u ( u&nbsp;\u2208 <strong>U<\/strong>&nbsp;\u2192&nbsp;<em>u <\/em><sup>-1<\/sup> \u2208 <strong>U<\/strong> )<br>8.&nbsp;\u2200&nbsp;<em>u<\/em><sub>1<\/sub>&nbsp;\u2208 <strong>U<\/strong>&nbsp;\u2203 <em>u<\/em><sub>2<\/sub>&nbsp;\u2208 <strong>U<\/strong> (&nbsp;<em>u<\/em><sub>2<\/sub>&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/theory-of-science.com\/de\/wp-content\/ql-cache\/quicklatex.com-480c54a62a2bca4764ae432eeefd784a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#105;&#114;&#99;\" title=\"Rendered by QuickLaTeX.com\" height=\"6\" width=\"6\" style=\"vertical-align: 1px;\"\/> <em>u<\/em><sub>2<\/sub>&nbsp;\u2286 <em>u<\/em><sub>1<\/sub> )<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2227 ist eine Abk\u00fcrzung f\u00fcr \u00abund\u00bb \u2228 ist eine Abk\u00fcrzung f\u00fcr \u00aboder\u00bb \u00ac ist eine Abk\u00fcrzung f\u00fcr \u00abnicht\u00bb \u2192 ist eine Abk\u00fcrzung f\u00fcr \u00abwenn, dann\u00bb x, y, z, x1,x2, &#8230;, y1,y2,&#8230;,a, b, c, e und X, Y sind Variable f\u00fcr Mengen \u2208 ist eine Abk\u00fcrzung f\u00fcr Elementschaft (f\u00fcr Mengen) X sei eine Menge.a. \u0394 ( [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":14,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":{"footnotes":""},"class_list":["post-3022","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/pages\/3022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/comments?post=3022"}],"version-history":[{"count":15,"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/pages\/3022\/revisions"}],"predecessor-version":[{"id":4909,"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/pages\/3022\/revisions\/4909"}],"up":[{"embeddable":true,"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/pages\/14"}],"wp:attachment":[{"href":"https:\/\/theory-of-science.com\/de\/wp-json\/wp\/v2\/media?parent=3022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}