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		<id>https://www.glc.us.es/~jalonso/RA2019/index.php?title=R5&amp;diff=386&amp;oldid=prev</id>
		<title>Jalonso: Protegió «R5» ([Editar=Solo administradores] (indefinido) [Trasladar=Solo administradores] (indefinido))</title>
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		<updated>2019-12-05T07:57:07Z</updated>

		<summary type="html">&lt;p&gt;Protegió «&lt;a href=&quot;/~jalonso/RA2019/index.php/R5&quot; title=&quot;R5&quot;&gt;R5&lt;/a&gt;» ([Editar=Solo administradores] (indefinido) [Trasladar=Solo administradores] (indefinido))&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisión del 07:57 5 dic 2019&lt;/td&gt;
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		<author><name>Jalonso</name></author>
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	<entry>
		<id>https://www.glc.us.es/~jalonso/RA2019/index.php?title=R5&amp;diff=385&amp;oldid=prev</id>
		<title>Jalonso: Página creada con «&lt;source lang=&quot;isabelle&quot;&gt;  chapter ‹R5: Recorridos de árboles›  theory R5_Recorridos_de_arboles imports Main  begin   text ‹------------------------------------------…»</title>
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		<updated>2019-12-05T07:56:46Z</updated>

		<summary type="html">&lt;p&gt;Página creada con «&amp;lt;source lang=&amp;quot;isabelle&amp;quot;&amp;gt;  chapter ‹R5: Recorridos de árboles›  theory R5_Recorridos_de_arboles imports Main  begin   text ‹------------------------------------------…»&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;isabelle&amp;quot;&amp;gt;&lt;br /&gt;
&lt;br /&gt;
chapter ‹R5: Recorridos de árboles›&lt;br /&gt;
&lt;br /&gt;
theory R5_Recorridos_de_arboles&lt;br /&gt;
imports Main &lt;br /&gt;
begin &lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 1. Definir el tipo de datos arbol para representar los&lt;br /&gt;
  árboles binarios que tiene información en los nodos y en las hojas. &lt;br /&gt;
  Por ejemplo, el árbol&lt;br /&gt;
          e&lt;br /&gt;
         / \&lt;br /&gt;
        /   \&lt;br /&gt;
       c     g&lt;br /&gt;
      / \   / \&lt;br /&gt;
     a   d f   h &lt;br /&gt;
  se representa por &amp;quot;N e (N c (H a) (H d)) (N g (H f) (H h))&amp;quot;.&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
datatype &amp;#039;a arbol = H &amp;quot;&amp;#039;a&amp;quot; | N &amp;quot;&amp;#039;a&amp;quot; &amp;quot;&amp;#039;a arbol&amp;quot; &amp;quot;&amp;#039;a arbol&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;N e (N c (H a) (H d)) (N g (H f) (H h))&amp;quot; &lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 2. Definir la función &lt;br /&gt;
     preOrden :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a list&amp;quot;&lt;br /&gt;
  tal que (preOrden a) es el recorrido pre orden del árbol a. Por&lt;br /&gt;
  ejemplo, &lt;br /&gt;
     preOrden (N e (N c (H a) (H d)) (N g (H f) (H h)))&lt;br /&gt;
     = [e,c,a,d,g,f,h] &lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun preOrden :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a list&amp;quot; where&lt;br /&gt;
  &amp;quot;preOrden t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;preOrden (N e (N c (H a) (H d)) (N g (H f) (H h)))  &lt;br /&gt;
      = [e,c,a,d,g,f,h]&amp;quot; &lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 3. Definir la función &lt;br /&gt;
     postOrden :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a list&amp;quot;&lt;br /&gt;
  tal que (postOrden a) es el recorrido post orden del árbol a. Por&lt;br /&gt;
  ejemplo, &lt;br /&gt;
     postOrden (N e (N c (H a) (H d)) (N g (H f) (H h)))&lt;br /&gt;
     = [e,c,a,d,g,f,h] &lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun postOrden :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a list&amp;quot; where&lt;br /&gt;
  &amp;quot;postOrden t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;postOrden (N e (N c (H a) (H d)) (N g (H f) (H h)))&lt;br /&gt;
       = [a,d,c,f,h,g,e]&amp;quot;&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 4. Definir la función &lt;br /&gt;
     inOrden :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a list&amp;quot;&lt;br /&gt;
  tal que (inOrden a) es el recorrido in orden del árbol a. Por&lt;br /&gt;
  ejemplo, &lt;br /&gt;
     inOrden (N e (N c (H a) (H d)) (N g (H f) (H h)))&lt;br /&gt;
     = [a,c,d,e,f,g,h]&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun inOrden :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a list&amp;quot; where&lt;br /&gt;
  &amp;quot;inOrden t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;inOrden (N e (N c (H a) (H d)) (N g (H f) (H h)))&lt;br /&gt;
       = [a,c,d,e,f,g,h]&amp;quot;&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 5. Definir la función &lt;br /&gt;
     espejo :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a arbol&amp;quot;&lt;br /&gt;
  tal que (espejo a) es la imagen especular del árbol a. Por ejemplo, &lt;br /&gt;
     espejo (N e (N c (H a) (H d)) (N g (H f) (H h)))&lt;br /&gt;
     = N e (N g (H h) (H f)) (N c (H d) (H a))&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun espejo :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a arbol&amp;quot; where&lt;br /&gt;
  &amp;quot;espejo t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;espejo (N e (N c (H a) (H d)) (N g (H f) (H h))) &lt;br /&gt;
       = N e (N g (H h) (H f)) (N c (H d) (H a))&amp;quot;&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 6. Demostrar que&lt;br /&gt;
     preOrden (espejo a) = rev (postOrden a)&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
lemma  &amp;quot;preOrden (espejo a) = rev (postOrden a)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 7. Demostrar que&lt;br /&gt;
     postOrden (espejo a) = rev (preOrden a)&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
lemma &amp;quot;postOrden (espejo a) = rev (preOrden a)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 8. Demostrar que&lt;br /&gt;
     inOrden (espejo a) = rev (inOrden a)&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;inOrden (espejo a) = rev (inOrden a)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 9. Definir la función &lt;br /&gt;
     raiz :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a&amp;quot;&lt;br /&gt;
  tal que (raiz a) es la raiz del árbol a. Por ejemplo, &lt;br /&gt;
     raiz (N e (N c (H a) (H d)) (N g (H f) (H h))) = e&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun raiz :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a&amp;quot; where&lt;br /&gt;
  &amp;quot;raiz t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;raiz (N e (N c (H a) (H d)) (N g (H f) (H h))) = e&amp;quot;&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 10. Definir la función &lt;br /&gt;
     extremo_izquierda :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a&amp;quot;&lt;br /&gt;
  tal que (extremo_izquierda a) es el nodo más a la izquierda del árbol&lt;br /&gt;
  a. Por ejemplo,  &lt;br /&gt;
     extremo_izquierda (N e (N c (H a) (H d)) (N g (H f) (H h))) = a&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun extremo_izquierda :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a&amp;quot; where&lt;br /&gt;
  &amp;quot;extremo_izquierda t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;extremo_izquierda (N e (N c (H a) (H d)) (N g (H f) (H h))) = a&amp;quot;&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 11. Definir la función &lt;br /&gt;
     extremo_derecha :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a&amp;quot;&lt;br /&gt;
  tal que (extremo_derecha a) es el nodo más a la derecha del árbol&lt;br /&gt;
  a. Por ejemplo,  &lt;br /&gt;
     extremo_derecha (N e (N c (H a) (H d)) (N g (H f) (H h))) = h&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
fun extremo_derecha :: &amp;quot;&amp;#039;a arbol ⇒ &amp;#039;a&amp;quot; where&lt;br /&gt;
  &amp;quot;extremo_derecha t = undefined&amp;quot;&lt;br /&gt;
&lt;br /&gt;
value &amp;quot;extremo_derecha (N e (N c (H a) (H d)) (N g (H f) (H h))) = h&amp;quot;&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 12. Demostrar o refutar&lt;br /&gt;
     last (inOrden a) = extremo_derecha a&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;last (inOrden a) = extremo_derecha a&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 13. Demostrar o refutar&lt;br /&gt;
     hd (inOrden a) = extremo_izquierda a&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;hd (inOrden a) = extremo_izquierda a&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 14. Demostrar o refutar&lt;br /&gt;
     hd (preOrden a) = last (postOrden a)&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;hd (preOrden a) = last (postOrden a)&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 15. Demostrar o refutar&lt;br /&gt;
     hd (preOrden a) = raiz a&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;hd (preOrden a) = raiz a&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 16. Demostrar o refutar&lt;br /&gt;
     hd (inOrden a) = raiz a&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;hd (inOrden a) = raiz a&amp;quot;&lt;br /&gt;
oops&lt;br /&gt;
&lt;br /&gt;
text ‹------------------------------------------------------------------ &lt;br /&gt;
  Ejercicio 17. Demostrar o refutar&lt;br /&gt;
     last (postOrden a) = raiz a&lt;br /&gt;
  ---------------------------------------------------------------------›&lt;br /&gt;
&lt;br /&gt;
theorem &amp;quot;last (postOrden a) = raiz a&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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