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	<id>https://jsxgraph.org/wiki/index.php?action=history&amp;feed=atom&amp;title=Triangle_axiom_halving</id>
	<title>Triangle axiom halving - Revision history</title>
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	<updated>2026-04-04T12:57:25Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://jsxgraph.org/wiki/index.php?title=Triangle_axiom_halving&amp;diff=7219&amp;oldid=prev</id>
		<title>A WASSERMANN at 15:41, 12 April 2021</title>
		<link rel="alternate" type="text/html" href="https://jsxgraph.org/wiki/index.php?title=Triangle_axiom_halving&amp;diff=7219&amp;oldid=prev"/>
		<updated>2021-04-12T15:41:20Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:41, 12 April 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/html&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/html&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Axiom (A2) &quot;triangle rule&quot; for affine spaces.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Midpoint&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;jsxgraph width=&amp;quot;500&amp;quot; height=&amp;quot;500&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;jsxgraph width=&amp;quot;500&amp;quot; height=&amp;quot;500&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var board = JXG.JSXGraph.initBoard(&amp;quot;jxgbox&amp;quot;, {boundingbox: [-5,5,5,-5], showCopyright:false, showNavigation:false});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var board = JXG.JSXGraph.initBoard(&amp;quot;jxgbox&amp;quot;, {boundingbox: [-5,5,5,-5], showCopyright:false, showNavigation:false});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l29&quot;&gt;Line 29:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 29:&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;JXG.Options.text.useMathJax = true;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;JXG.Options.text.useMathJax = true;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;var s = board.create(&#039;midpoint&#039;, [q, r], {name:&#039;\\(s\\)&lt;/ins&gt;&#039;});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pq &lt;/del&gt;= board.create(&#039;arrow&#039;, [p, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;q&lt;/del&gt;], {withLabel: true, name:&#039;\\(\\vec{&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pq&lt;/del&gt;}\\)&#039;, label:{position: &#039;top&#039;, parse: false}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pr &lt;/ins&gt;= board.create(&#039;arrow&#039;, [p, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;r&lt;/ins&gt;], {withLabel: true, name:&#039;\\(\\vec{&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;v&lt;/ins&gt;}\\)&#039;, label:{position: &#039;top&#039;, parse: false}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;qr &lt;/del&gt;= board.create(&#039;arrow&#039;, [q&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, r&lt;/del&gt;], {withLabel: true, name:&#039;\\(\\vec{&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;qr&lt;/del&gt;}\\)&#039;, label:{position: &#039;top&#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pq &lt;/ins&gt;= board.create(&#039;arrow&#039;, [&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;p, &lt;/ins&gt;q], {withLabel: true, name:&#039;\\(\\vec{&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;u&lt;/ins&gt;}\\)&#039;, label:{position: &#039;top&#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pr &lt;/del&gt;= board.create(&#039;arrow&#039;, [p, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;r&lt;/del&gt;], {withLabel: true, name:&#039;\\(\\vec{&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pr&lt;/del&gt;}\\)&#039;, label:{position: &#039;top&#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rq = board.create(&#039;arrow&#039;, [r, q], {});&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;var ps &lt;/ins&gt;= board.create(&#039;arrow&#039;, [p, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;s&lt;/ins&gt;], {withLabel: true, name:&#039;\\&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(\\frac{1}{2}&lt;/ins&gt;(\\vec{&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;u} + \\vec{v&lt;/ins&gt;}&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)&lt;/ins&gt;\\)&#039;, label:{position: &#039;top&#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/source&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/source&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Examples]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Examples]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Geometry]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Geometry]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>A WASSERMANN</name></author>
	</entry>
	<entry>
		<id>https://jsxgraph.org/wiki/index.php?title=Triangle_axiom_halving&amp;diff=7218&amp;oldid=prev</id>
		<title>A WASSERMANN at 15:40, 12 April 2021</title>
		<link rel="alternate" type="text/html" href="https://jsxgraph.org/wiki/index.php?title=Triangle_axiom_halving&amp;diff=7218&amp;oldid=prev"/>
		<updated>2021-04-12T15:40:34Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:40, 12 April 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l19&quot;&gt;Line 19:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 19:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var pr = board.create(&amp;#039;arrow&amp;#039;, [p, r], {withLabel: true, name:&amp;#039;\\(\\vec{v}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;, parse: false}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var pr = board.create(&amp;#039;arrow&amp;#039;, [p, r], {withLabel: true, name:&amp;#039;\\(\\vec{v}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;, parse: false}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var pq = board.create(&amp;#039;arrow&amp;#039;, [p, q], {withLabel: true, name:&amp;#039;\\(\\vec{u}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var pq = board.create(&amp;#039;arrow&amp;#039;, [p, q], {withLabel: true, name:&amp;#039;\\(\\vec{u}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var rq = board.create(&#039;arrow&#039;, [q&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, r&lt;/del&gt;], {});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var rq = board.create(&#039;arrow&#039;, [&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;r, &lt;/ins&gt;q], {});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var ps = board.create(&#039;arrow&#039;, [p, s], {withLabel: true, name:&#039;\\(\\frac{1}{2}(\\vec{u} + \\vec{v}\\)&#039;, label:{position: &#039;top&#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;var ps = board.create(&#039;arrow&#039;, [p, s], {withLabel: true, name:&#039;\\(\\frac{1}{2}(\\vec{u} + \\vec{v}&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)&lt;/ins&gt;\\)&#039;, label:{position: &#039;top&#039;}, lastArrow: {type: 4, size: 8}});&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/jsxgraph&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/jsxgraph&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>A WASSERMANN</name></author>
	</entry>
	<entry>
		<id>https://jsxgraph.org/wiki/index.php?title=Triangle_axiom_halving&amp;diff=7217&amp;oldid=prev</id>
		<title>A WASSERMANN: Created page with &quot;&lt;html&gt;   &lt;script type=&quot;text/javascript&quot; src=&quot;/distrib/MathJax/MathJax.js&quot;&gt;&lt;/script&gt; &lt;/html&gt;  Axiom (A2) &quot;triangle rule&quot; for affine spaces.  &lt;jsxgraph width=&quot;500&quot; height=&quot;500&quot;&gt;...&quot;</title>
		<link rel="alternate" type="text/html" href="https://jsxgraph.org/wiki/index.php?title=Triangle_axiom_halving&amp;diff=7217&amp;oldid=prev"/>
		<updated>2021-04-12T15:39:56Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;lt;html&amp;gt;   &amp;lt;script type=&amp;quot;text/javascript&amp;quot; src=&amp;quot;/distrib/MathJax/MathJax.js&amp;quot;&amp;gt;&amp;lt;/script&amp;gt; &amp;lt;/html&amp;gt;  Axiom (A2) &amp;quot;triangle rule&amp;quot; for affine spaces.  &amp;lt;jsxgraph width=&amp;quot;500&amp;quot; height=&amp;quot;500&amp;quot;&amp;gt;...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;html&amp;gt;&lt;br /&gt;
  &amp;lt;script type=&amp;quot;text/javascript&amp;quot; src=&amp;quot;/distrib/MathJax/MathJax.js&amp;quot;&amp;gt;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;/html&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Axiom (A2) &amp;quot;triangle rule&amp;quot; for affine spaces.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;jsxgraph width=&amp;quot;500&amp;quot; height=&amp;quot;500&amp;quot;&amp;gt;&lt;br /&gt;
JXG.Options.label.autoPosition = true;&lt;br /&gt;
JXG.Options.text.useMathJax = true;&lt;br /&gt;
JXG.Options.text.fontSize = 20;&lt;br /&gt;
&lt;br /&gt;
var board = JXG.JSXGraph.initBoard(&amp;quot;jxgbox&amp;quot;, {boundingbox: [-5,5,5,-5], showCopyright:false, showNavigation:false});&lt;br /&gt;
&lt;br /&gt;
var p = board.create(&amp;#039;point&amp;#039;, [-3,-3], {name:&amp;#039;\\(p_0\\)&amp;#039;});&lt;br /&gt;
var q = board.create(&amp;#039;point&amp;#039;, [3, -3], {name:&amp;#039;\\(q\\)&amp;#039;});&lt;br /&gt;
var r = board.create(&amp;#039;point&amp;#039;, [2, 2], {name:&amp;#039;\\(r\\)&amp;#039;});&lt;br /&gt;
var s = board.create(&amp;#039;midpoint&amp;#039;, [q, r], {name:&amp;#039;\\(s\\)&amp;#039;});&lt;br /&gt;
&lt;br /&gt;
var pr = board.create(&amp;#039;arrow&amp;#039;, [p, r], {withLabel: true, name:&amp;#039;\\(\\vec{v}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;, parse: false}, lastArrow: {type: 4, size: 8}});&lt;br /&gt;
var pq = board.create(&amp;#039;arrow&amp;#039;, [p, q], {withLabel: true, name:&amp;#039;\\(\\vec{u}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;}, lastArrow: {type: 4, size: 8}});&lt;br /&gt;
var rq = board.create(&amp;#039;arrow&amp;#039;, [q, r], {});&lt;br /&gt;
var ps = board.create(&amp;#039;arrow&amp;#039;, [p, s], {withLabel: true, name:&amp;#039;\\(\\frac{1}{2}(\\vec{u} + \\vec{v}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;}, lastArrow: {type: 4, size: 8}});&lt;br /&gt;
&amp;lt;/jsxgraph&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
=== The underlying JavaScript code ===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;source lang=&amp;quot;javascript&amp;quot;&amp;gt;&lt;br /&gt;
JXG.Options.label.autoPosition = true;&lt;br /&gt;
JXG.Options.text.useMathJax = true;&lt;br /&gt;
JXG.Options.text.fontSize = 20;&lt;br /&gt;
&lt;br /&gt;
var board = JXG.JSXGraph.initBoard(&amp;quot;jxgbox&amp;quot;, {boundingbox: [-5,5,5,-5], showCopyright:false, showNavigation:false});&lt;br /&gt;
&lt;br /&gt;
var p = board.create(&amp;#039;point&amp;#039;, [-3,-3], {name:&amp;#039;p&amp;#039;});&lt;br /&gt;
var q = board.create(&amp;#039;point&amp;#039;, [0, 2], {name:&amp;#039;q&amp;#039;});&lt;br /&gt;
var r = board.create(&amp;#039;point&amp;#039;, [3, -3], {name:&amp;#039;r&amp;#039;});&lt;br /&gt;
&lt;br /&gt;
var pq = board.create(&amp;#039;arrow&amp;#039;, [p, q], {withLabel: true, name:&amp;#039;\\(\\vec{pq}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;, parse: false}, lastArrow: {type: 4, size: 8}});&lt;br /&gt;
var qr = board.create(&amp;#039;arrow&amp;#039;, [q, r], {withLabel: true, name:&amp;#039;\\(\\vec{qr}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;}, lastArrow: {type: 4, size: 8}});&lt;br /&gt;
var pr = board.create(&amp;#039;arrow&amp;#039;, [p, r], {withLabel: true, name:&amp;#039;\\(\\vec{pr}\\)&amp;#039;, label:{position: &amp;#039;top&amp;#039;}, lastArrow: {type: 4, size: 8}});&lt;br /&gt;
&amp;lt;/source&amp;gt;&lt;br /&gt;
[[Category:Examples]]&lt;br /&gt;
[[Category:Geometry]]&lt;/div&gt;</summary>
		<author><name>A WASSERMANN</name></author>
	</entry>
</feed>