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	<id>https://www.glc.us.es/~jalonso/RA2010/index.php?action=history&amp;feed=atom&amp;title=Rel_2</id>
	<title>Rel 2 - Historial de revisiones</title>
	<link rel="self" type="application/atom+xml" href="https://www.glc.us.es/~jalonso/RA2010/index.php?action=history&amp;feed=atom&amp;title=Rel_2"/>
	<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;action=history"/>
	<updated>2026-07-17T14:11:46Z</updated>
	<subtitle>Historial de revisiones para esta página en el wiki</subtitle>
	<generator>MediaWiki 1.31.14</generator>
	<entry>
		<id>https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;diff=317&amp;oldid=prev</id>
		<title>Jalonso en 07:49 16 jul 2018</title>
		<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;diff=317&amp;oldid=prev"/>
		<updated>2018-07-16T07:49:28Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&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;es&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Revisión anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revisión del 07:49 16 jul 2018&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-l1&quot; &gt;Línea 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Línea 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; 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;&amp;lt;source lang=&amp;quot;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;isar&lt;/del&gt;&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; 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;&amp;lt;source lang=&amp;quot;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;isabelle&lt;/ins&gt;&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; 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;header {* 2ª relación de ejercicios *}&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; 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;header {* 2ª relación de ejercicios *}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; 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;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; 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;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jalonso</name></author>
		
	</entry>
	<entry>
		<id>https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;diff=161&amp;oldid=prev</id>
		<title>Jalonso: Protegió «Rel 2» ([edit=sysop] (indefinido) [move=sysop] (indefinido))</title>
		<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;diff=161&amp;oldid=prev"/>
		<updated>2011-02-14T22:47:12Z</updated>

		<summary type="html">&lt;p&gt;Protegió «&lt;a href=&quot;/~jalonso/RA2010/index.php/Rel_2&quot; title=&quot;Rel 2&quot;&gt;Rel 2&lt;/a&gt;» ([edit=sysop] (indefinido) [move=sysop] (indefinido))&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;es&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Revisión anterior&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revisión del 22:47 14 feb 2011&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;es&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(Sin diferencias)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Jalonso</name></author>
		
	</entry>
	<entry>
		<id>https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;diff=160&amp;oldid=prev</id>
		<title>Jalonso: Página creada con &#039;&lt;source lang=&quot;isar&quot;&gt; header {* 2ª relación de ejercicios *}  theory Relacion_2 imports Main  begin  text {*   Demostrar o refutar los siguientes lemas usando sólo las reglas ...&#039;</title>
		<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/RA2010/index.php?title=Rel_2&amp;diff=160&amp;oldid=prev"/>
		<updated>2011-02-14T22:46:58Z</updated>

		<summary type="html">&lt;p&gt;Página creada con &amp;#039;&amp;lt;source lang=&amp;quot;isar&amp;quot;&amp;gt; header {* 2ª relación de ejercicios *}  theory Relacion_2 imports Main  begin  text {*   Demostrar o refutar los siguientes lemas usando sólo las reglas ...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Página nueva&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;source lang=&amp;quot;isar&amp;quot;&amp;gt;&lt;br /&gt;
header {* 2ª relación de ejercicios *}&lt;br /&gt;
&lt;br /&gt;
theory Relacion_2&lt;br /&gt;
imports Main &lt;br /&gt;
begin&lt;br /&gt;
&lt;br /&gt;
text {*&lt;br /&gt;
  Demostrar o refutar los siguientes lemas usando sólo las reglas&lt;br /&gt;
  básicas de deducción natural de la lógica proposicional y de la lógica&lt;br /&gt;
  de predicados (allI, allE, exI y exE). &lt;br /&gt;
*}&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;(∃x. ∀y. P x y) ⟶ (∀y. ∃x. P x y)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;(∀x. P x ⟶ Q) = ((∃x. P x) ⟶ Q)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;((∀ x. P x) ∧ (∀ x. Q x)) = (∀ x. (P x ∧ Q x))&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;((∀ x. P x) ∨ (∀ x. Q x)) = (∀ x. (P x ∨ Q x))&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;((∃ x. P x) ∨ (∃ x. Q x)) = (∃ x. (P x ∨ Q x))&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;(∀x. ∃y. P x y) ⟶ (∃y. ∀x. P x y)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;(¬ (∀ x. P x)) = (∃ x. ¬ P x)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
end&lt;br /&gt;
&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Jalonso</name></author>
		
	</entry>
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