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  #1  
Old 29 àÁÉÒ¹ 2013, 12:09
MJeansM MJeansM äÁèÍÂÙèã¹Ãкº
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$¡Ó˹´ãËé (¹Ôàʸp\rightarrow q)\leftrightarrow q$ ÁÕ¤èÒ¤ÇÒÁ¨ÃÔ§à»ç¹à·ç¨
$ 1. p\wedge ¹Ôàʸ q ÁÕ¤èÒ¤ÇÒÁ¨ÃÔ§à»ç¹¨ÃÔ§$
$p\rightarrow q ÁÕ¤èÒ¤ÇÒÁ¨ÃÔ§à»ç¹à·ç¨$
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ËÒÇèÒ¢éÍ1,2¨ÃÔ§ËÃ×Íà·ç¨¤ÃѺ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #2  
Old 29 àÁÉÒ¹ 2013, 13:18
ln¾wsкØñsÊØñxÅèo's Avatar
ln¾wsкØñsÊØñxÅèo ln¾wsкØñsÊØñxÅèo äÁèÍÂÙèã¹Ãкº
¡ÃкÕè»ÃÐÊÒ¹ã¨
 
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$$(\sim p \rightarrow q) \leftrightarrow q$$
$$(p\bigvee q) \leftrightarrow q\equiv F$$
$[q\equiv T]\rightarrow [(p\bigvee q) \leftrightarrow q\equiv T]$

$([q\equiv F]\bigwedge [p\equiv T])\rightarrow [(p\bigvee q) \leftrightarrow q\equiv T]$

$\therefore q\equiv F,p\equiv T$
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #3  
Old 29 àÁÉÒ¹ 2013, 21:36
MJeansM MJeansM äÁèÍÂÙèã¹Ãкº
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