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	<id>https://www.glc.us.es/~jalonso/LMF2018/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Marloppal3</id>
	<title>Lógica matemática y fundamentos (2017-18) - Contribuciones del usuario [es]</title>
	<link rel="self" type="application/atom+xml" href="https://www.glc.us.es/~jalonso/LMF2018/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Marloppal3"/>
	<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/LMF2018/index.php/Especial:Contribuciones/Marloppal3"/>
	<updated>2026-07-22T13:54:36Z</updated>
	<subtitle>Contribuciones del usuario</subtitle>
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	<entry>
		<id>https://www.glc.us.es/~jalonso/LMF2018/index.php?title=Relaci%C3%B3n_2&amp;diff=71</id>
		<title>Relación 2</title>
		<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/LMF2018/index.php?title=Relaci%C3%B3n_2&amp;diff=71"/>
		<updated>2018-02-25T18:16:02Z</updated>

		<summary type="html">&lt;p&gt;Marloppal3: /* Relación 2: Deducción natural en lógica proposicional */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=== Relación 2: Deducción natural en lógica proposicional ===&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 0.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: {p → q, p → r} ⊧ p → r&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
[[Archivo:R2E0a.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 1.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → q) → r ⊧ p → (q → r)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2 marloppal3&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/f6ad7b1deab0dd5ba927bcf0b0d73c6f.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 2.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → q) ∧ (p → r) ⊧ p → q ∧ r&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2 marloppal3&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/cb016e19514071b5c9240f992f970f2d.png]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 3.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → r) ∧ (q → r) ⊧ p ∨ q → r&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/d47ef41c989cccab33908c6debdf57dc.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 4.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: {p → r, r → ¬ q} ⊧ ¬(p ∧ q)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2 marloppal3&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/3c2c9799cfa2c74230d50cb0c1542281.png]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 5.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: ¬p ∧ ¬q  ⊧ ¬(p ∨ q)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2 marloppal3&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/700aa57e081894401d184f5797fb070d.png]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 6.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
:  ⊧ ((p → q) → p)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 7.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → q) ∨ (q → p)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/ba9485c972e0d26a49c0502ce8d307c0.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 8.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: ¬(¬p ∧ ¬q) ⊧ p ∨ q&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;</summary>
		<author><name>Marloppal3</name></author>
		
	</entry>
	<entry>
		<id>https://www.glc.us.es/~jalonso/LMF2018/index.php?title=Relaci%C3%B3n_2&amp;diff=70</id>
		<title>Relación 2</title>
		<link rel="alternate" type="text/html" href="https://www.glc.us.es/~jalonso/LMF2018/index.php?title=Relaci%C3%B3n_2&amp;diff=70"/>
		<updated>2018-02-25T17:39:13Z</updated>

		<summary type="html">&lt;p&gt;Marloppal3: /* Relación 2: Deducción natural en lógica proposicional */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=== Relación 2: Deducción natural en lógica proposicional ===&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 0.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: {p → q, p → r} ⊧ p → r&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
[[Archivo:R2E0a.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 1.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → q) → r ⊧ p → (q → r)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2 marloppal3&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/f6ad7b1deab0dd5ba927bcf0b0d73c6f.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 2.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → q) ∧ (p → r) ⊧ p → q ∧ r&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2 marloppal3&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/cb016e19514071b5c9240f992f970f2d.png]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 3.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → r) ∧ (q → r) ⊧ p ∨ q → r&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/d47ef41c989cccab33908c6debdf57dc.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 4.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: {p → r, r → ¬ q} ⊧ ¬(p ∧ q)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/3c2c9799cfa2c74230d50cb0c1542281.png]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 5.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: ¬p ∧ ¬q  ⊧ ¬(p ∨ q)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/700aa57e081894401d184f5797fb070d.png]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 6.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
:  ⊧ ((p → q) → p)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 7.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: (p → q) ∨ (q → p)&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039; josrodjim2&lt;br /&gt;
&lt;br /&gt;
[[https://i.gyazo.com/ba9485c972e0d26a49c0502ce8d307c0.png]]&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ejercicio 8.&amp;#039;&amp;#039;&amp;#039; Demostrar mediante deducción natural:&lt;br /&gt;
: ¬(¬p ∧ ¬q) ⊧ p ∨ q&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Solución:&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;</summary>
		<author><name>Marloppal3</name></author>
		
	</entry>
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