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Old 25 àÁÉÒ¹ 2010, 17:28
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Old 25 àÁÉÒ¹ 2010, 17:56
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Old 25 àÁÉÒ¹ 2010, 18:36
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Old 25 àÁÉÒ¹ 2010, 20:08
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Old 25 àÁÉÒ¹ 2010, 21:38
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Old 26 àÁÉÒ¹ 2010, 07:35
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26 àÁÉÒ¹ 2010 10:30 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ nongtum
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Old 26 àÁÉÒ¹ 2010, 12:35
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¶Ö§áÁéÇèҵ͹ÁѸÂÁ ¤ÓÇèҨӹǹ¹Ñº ¨ÐÁÕ¤ÇÒÁËÁÒÂà´ÕÂǡѺ¨Ó¹Ç¹àµçÁºÇ¡ áµèàÁ×èÍàÃÕ¹ÅÖ¡¢Öé¹ä» ºÒ§¤ÃÑ駡ÒáÓ˹´ãËé૵¢Í§¨Ó¹Ç¹¹ÑºàÃÔèÁµé¹´éÇ 0 ¡çÁÕ»ÃÐ⪹ì¡ÇèҹФÃѺ
àªè¹ÇèÒ Peano axiom ¡ç¡Ó˹´ÇèÒ There is a natural number 0.

».Å. ¡Òèоٴ¶Ö§ÍÔ¹àÇÍÃìÊ ¡è͹Í×è¹ àÃÒµéͧ´Ù¡è͹ÇèÒàÃÒ¡ÓÅѧ¾Ô¨ÒóÒ૵ÍÐäÃÍÂÙè ã¹·Õè¹ÕèàÃÒ¡ÓÅѧ¾Ô¨ÒóҨӹǹàµçÁºÇ¡ ¨Ó¹Ç¹ÅºÁѹäÁèÍÂÙèã¹à«µ¨Ó¹Ç¹àµçÁºÇ¡ áÅоǡ $\frac{1}{x}$ ¡çäÁèÍÂÙèã¹à«µ¢Í§¨Ó¹Ç¹àµçÁºÇ¡ ¶éÒ $x>1$

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26 àÁÉÒ¹ 2010 12:36 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Little Penguin
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