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ÊÁѤÃÊÁÒªÔ¡ ¤ÙèÁ×Í¡ÒÃãªé ÃÒª×èÍÊÁÒªÔ¡ »¯Ô·Ô¹ ¢éͤÇÒÁÇѹ¹Õé

µÑé§ËÑÇ¢éÍãËÁè Reply
 
à¤Ã×èͧÁ×ͧ͢ËÑÇ¢éÍ ¤é¹ËÒã¹ËÑÇ¢é͹Õé
  #1  
Old 14 ¾ÄÉÀÒ¤Á 2005, 22:05
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Nay Nay äÁèÍÂÙèã¹Ãкº
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Post ÊÃØ»¤ÓÈѾ·ì¡ÒþÔÊÙ¨¹ì

ÅͧÍèÒ¹´Ù¤ÃѺ¤ÃѹèÒ¨ÐÁÕ»ÃÐ⪹ìºéÒ§

1. ·ÄÉ®Õ ( theorem )
ËÁÒ¶֧ á¹Ç¤Ô´ (¢éÍàʹÍ) ·Ò§¤³ÔµÈÒʵÃì·ÕèÊÒÁÒÃض¾ÔÊÙ¨¹ìä´éÇèÒà»ç¹¨ÃÔ§ àªè¹ ¶éÒàÃÒàʹÍÇèÒ "¶éÒ p ¤×ͨӹǹ੾ÒÐáÅÐ p | ab,áÅéÇ p | a ËÃ×Í p | b" áÅéÇàÃÒÊÒÁÒö¾ÔÊÙ¨¹ìä´éÇèÒà»ç¹¨ÃÔ§ ¹Ô¾¨¹ì´Ñ§¡ÅèÒÇ¡ç¨Ð¡ÅÒÂà»ç¹·ÄÉ®Õ ¤ÃѺ

2. ¡ÒäҴà´Ò ( conjecture )
ËÁÒ¶֧ á¹Ç¤Ô´ (¢éÍàʹÍ) ·Ò§¤³ÔµÈÒʵÃì·ÕèäÁèÃÙéÇèÒ¨ÃÔ§ËÃ×Íà·ç¨ ( truth value is unknown ) àªè¹ ¶éÒàÃÒàʹÍÇèÒ "¶éÒ p ¤×ͨӹǹ੾ÒÐáÅÐ p | ab,áÅéÇ p | a ËÃ×Í p | b" áÅéÇàÃÒÂѧäÁèä´é·Ó¡ÒþÔÊÙ¨¹ìä´éÇèÒà»ç¹¨ÃÔ§ËÃ×Íà·ç¨ ¹Ô¾¨¹ì´Ñ§¡ÅèÒÇ¡ç¨Ð¶×ÍÇèÒà»ç¹¡ÒäҴà´Ò¤ÃѺ

3. ¾ÔÊÙ¨¹ì ( proof )
¤×Í¡ÒÃ͸ԺÒÂÇèÒ ·ÄɮչÑ鹨ÃÔ§ ä´éÍÂèÒ§äà àªè¹ àªè¹ ¶éÒàÃÒàʹÍÇèÒ "¶éÒ p ¤×ͨӹǹ੾ÒÐáÅÐ p | ab,áÅéÇ p | a ËÃ×Í p | b" ·Ó¡ÒþÔÊÙ¨¹ìä´é´Ñ§¹Õé

¾ÔÊÙ¨¹ì
¶éÒÊÁÁµÔãËé a äÁèÊÒÁÒöËÒôéÇ p ,à¾ÃÒеÑÇËÒà (divisor) ·Õèà»ç¹ºÇ¡¢Í§ p ÁÕ੾ÒÐ 1 áÅÐ p à·èÒ¹Ñé¹ , «Ö觺͡ä´éÇèÒ Ë.Ã.Á. ¢Í§ p áÅÐ a ¤×Í 1 ( gcd(p,a) = 1 ) ´Ñ§¹Ñé¹ â´ÂÍéÒ§ÍÔ§¨Ò¡ ¢éÍàʹÍá·Ã¡¢Í§ ÂÙ¤ÅÔ´ ( Euclid's lemma ) ¨Ðä´é p | b

4. ¢éÍàʹÍá·Ã¡ ( lemma )
ËÁÒ¶ԧ ·ÄÉ®ÕÍÂèÒ§§èÒ·Õè¾ÔÊÙ¨¹ì â´Âãªé·ÄÉ®ÕÍ×è¹æ àªè¹ ¨Ò¡

·ÄÉ®Õ 1 "ãËé a áÅÐ b à»ç¹¨Ó¹Ç¹àµçÁ áÅÐäÁà»ç¹ 0 ÊÒÁÒöºÍ¡ä´éÇèÒà»ç¹ relatively prime àÁ×èÍ gcd(a,b) = 1"

Euclid's lemma : ¶éÒ a | bc, ´éÇ gcd(a,b) = 1, áÅéÇ a | c

proof
àÃÒàÃÔèÁ¨Ò¡·ÄÉ®Õ 1 à¢Õ¹ã¹ÃÙ»¢Í§ linear combination ä´é 1 = ax + by àÁ×èÍ x áÅÐ y à»ç¹¨Ó¹Ç¹àµçÁ ¤Ù³ÊÁ¡ÒôéÇ c ¨Ðä´é

c = 1c = (ax + by)c = acx + bcy

à¾ÃÒÐÇèÒ a | ac áÅÐ a | bc, «Öè§à»ç¹ä»µÒÁ a | (acx + bcy) «Ö觨ѴÃÙ»ãËÁèä´é¤×Í a | c

5. ¼Å·ÕèµÒÁÁÒ ( corollary )
ËÁÒ¶֧ ÊÔ觷Õèä´éÁÒ¨Ò¡¡ÒþÔÊÙ¨¹ì·ÄÉ®Õ˹֧áÅéÇã¹ÃÐËÇèÒ§·ÕèàÃÒ¾ÔÊÙ¨¹ì·ÄɮչÑé¹àÃÒä´éÍÕ¡·ÄÉ®Õ˹Öè§Áҷѹ·Õ â´Â»¡µÔáÅéÇ corolary ¨Ðà¢Õ¹µèͨҡ·ÄÉ®Õ

àÍÒá¤è¹Õé¡è͹¡çáÅéǡѹ áÅéǤÃÒÇ˹éÒ¼Á¨Ðà¢Õ¹à¾ÔèÁãËé¶éÒÁÕ¼Ùéʹ㨹ФÃѺ
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¡ÅѺÁÒáÅéǨéÒ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #2  
Old 15 ¾ÄÉÀÒ¤Á 2005, 00:42
warut warut äÁèÍÂÙèã¹Ãкº
¡ÃкÕèäÃéÊÀÒ¾
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁ¢Í§¤Ø³ Nay:
4. ¢éÍàʹÍá·Ã¡ ( lemma )
ËÁÒ¶ԧ ·ÄÉ®ÕÍÂèÒ§§èÒ·Õè¾ÔÊÙ¨¹ì â´Âãªé·ÄÉ®ÕÍ×è¹æ
Íѹ¹ÕéªÑÇÃìÃÖà»ÅèÒ¤ÃѺ ÁѹᵡµèÒ§¨Ò¡¤ÇÒÁà¢éÒ㨢ͧ¼Áâ´ÂÊÔé¹àªÔ§àÅÂÅèÐ
ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁ¢Í§¤Ø³ Nay:
·ÄÉ®Õ 1 "ãËé a áÅÐ b à»ç¹¨Ó¹Ç¹àµçÁ áÅÐäÁà»ç¹ 0 ÊÒÁÒöºÍ¡ä´éÇèÒà»ç¹ relatively prime àÁ×èÍ gcd(a,b) = 1"
Íѹ¹ÕéÁѹà»ç¹¹ÔÂÒÁäÁèãªèàËÃͤÃѺ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #3  
Old 15 ¾ÄÉÀÒ¤Á 2005, 05:25
passer-by passer-by äÁèÍÂÙèã¹Ãкº
¼Ùé¾Ô·Ñ¡Éì¡®·ÑèÇä»
 
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lemma à·èÒ·Õè¼ÁÃÙé¨Ñ¡ ¨Ð¾ÔÊÙ¨¹ìÁÒ¡è͹ main theorem áÅéǾͨоÔÊÙ¨¹ì main theorem ¨ÃÔ§æ ¡ç¨Ð¹Ó lemma ¹ÕéÁÒªèÇÂÍéÒ§ äÁèãªèàËÃͤÃѺ ËÃ×ͼÁ à¢éÒ㨼Դ
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à¡ÉÕ³µÑÇàͧ »ÅÒÂÁԶعÒ¹ 2557 áµè¨Ð¡ÅѺÁÒà»ç¹¤ÃÑ駤ÃÒÇ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #4  
Old 15 ¾ÄÉÀÒ¤Á 2005, 07:24
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
¼Ùé¾Ô·Ñ¡Éì¡®·ÑèÇä»
 
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Âѧ¢Ò´ÍÂÙèÊÒÁÍÂèÒ§·ÕèÊӤѭÁÒ¡¤ÃѺ

¤Ó¹ÔÂÒÁ(definition) ¤Ó͹ÔÂÒÁ(undefined term) áÅÐ ÊѨ¾¨¹ì(axiom)

¹Í¡¨Ò¡¹Õé¡çÂѧÁÕ paradox
theorem ºÒ§·Õ¡çàÃÕ¡ÇèÒ proposition ¤ÃѺ
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15 ¾ÄÉÀÒ¤Á 2005 07:28 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ nooonuii
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #5  
Old 15 ¾ÄÉÀÒ¤Á 2005, 13:02
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Nay Nay äÁèÍÂÙèã¹Ãкº
àÃÔèÁ½Ö¡ÇÃÂØ·¸ì
 
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µÍº ¤Ø³ warut
1. ¤ÇÒÁËÁÒ¢ͧ lemma à»ç¹ÍÂèÒ§·Õè ¤Ø³ passer-by ºÍ¡ÅФÃѺ ¢Íâ·É·Õ¤ÃѺ
lemma : a simple theorem used to prove other theorem.

2. Êèǹ ·ÄɮշÕè 1 à»ç¹·ÄɮդÃѺäÁèäªè¹ÔÂÒÁ

¤ÇÒÁËÁÒ (µèÍ)
6. ¹ÔÂÒÁ ( Definition )
¤×Í¡ÒÃ͸ԺÒÂËÃ×ÍãËé¤ÇÒÁËÁÒµèÒ§æ ·Õè¨Ðãªéà¾×èÍãËéà¢éÒ㨤ç¡Ñ¹â´ÂÍÒÈÑ ¤Ó͸ԺÒ·ÕèàËÁÒÐÊÁ·ÕèÊØ´ àªè¹ ÊÕèàËÅÕèÂÁ´éÒ¹¢¹Ò¹¤×Í ÊÕèàËÅÕèÂÁ·ÕèÁÕ´éÒ¹µÃ§¢éÒÁ¢¹Ò¹¡Ñ¹

7. ͹ÔÂÒÁ (Indefinition)
¤×ÍÊÔ觵èÒ§æ ·ÕèàÃÒäÁèÊÒÁÒöãËé¹ÔÂÒÁä´é àªè¹ àÊ鹵ç

8.ÊѨ¾¨¹ì (axiom)
¤×Í¢éͤÇÒÁ·Õ赡ŧ¡Ñ¹äÇéàº×éͧµé¹ ·Õè¨ÐµéͧÂÍÁÃѺâ´ÂäÁèµéͧ¾ÔÊÙ¨¹ì àªè¹ ÊÒÁÒöÅÒ¡àÊ鹵ç¼èÒ¹¨Ø´Êͧ¨Ø´ä´éà¾Õ§àÊé¹à´ÕÂÇà·èÒ¹Ñé¹

9. ¹Ô¾¨¹ì (proprosition) (á»Å¶Ù¡ËÃ×Íà»ÅèÒ)
ËÁÒ¶֧¢éͤÇÒÁ·ÕèÊÒÁÒöºÍ¡ä´éÇèÒ à»ç¹¨ÃÔ§ËÃ×Í à·ç¨ à·èÒ¹Ñé¹ ¨ÐäÁèÊÒÁÒöºÍ¡ÇèÒà»ç¹·Ñ駨ÃÔ§áÅÐà·ç¨ä´éã¹¢éͤÇÒÁà´ÕÂǡѹ àªè¹ âÅ¡¡ÅÁ (¨ÃÔ§), ËÁÙµé͹á¡Ðä´é (à·ç¨ à¹×èͧ¨Ò¡äÁèãªè babe )
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¡ÅѺÁÒáÅéǨéÒ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #6  
Old 15 ¾ÄÉÀÒ¤Á 2005, 23:20
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
¼Ùé¾Ô·Ñ¡Éì¡®·ÑèÇä»
 
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à·èÒ·ÕèàÃÕ¹ÁÒ·ÄɮշÕè 1 ¹Õèà»ç¹¹ÔÂÒÁ¤ÃѺ àÅÂʧÊÑÂÇèÒ àÃҨйÔÂÒÁ¤ÓÇèÒ relatively prime ¡Ñ¹Âѧ䧴Õ
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #7  
Old 16 ¾ÄÉÀÒ¤Á 2005, 18:24
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tana tana äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³ºÃÔÊØ·¸Ôì
 
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¤ÓÇèÒ Proprosition ¹ÕèµÃ§¡Ñº¤ÓÇèÒ »Ãо¨¹ì ¤ÃѺ
Êèǹ¤ÓÇèÒ ¹Ô¾¨¹ì ¹Õè ÃÙéÊÖ¡¨ÐµÃ§¡Ñº¤ÓÇèÒ Expression ¹Ð¤ÃѺ
ÊѨ¾¨¹ì¹ÕèºÒ§·Õ ¡çãªé¤ÓÇèÒ Postulate ¤ÃѺ ( à¾ÔèÁãËéÍա˹èÍ )

»Å. àÃ×èͧâÅ¡¡ÅÁ ¹Õè¨ÃÔ§æ Áѹ¡çäÁèä´é¡ÅÁ¨ÃÔ§æ ÍèҹФÃѺ ºÒ§Êèǹ¡çäÁè¡ÅÁ¨¹ÍÍ¡à»ç¹Ç§ÃÕ仺éÒ§àËÁ×͹¡Ñ¹ àÅÂäÁè¤èÍÂá¹èã¨ÇèÒÁѹÊÒÁÒöºÍ¡ä´éÃÖ»èÒÇÇèÒà»ç¹¨ÃÔ§ËÃ×Íà·ç¨ÍèФÃѺ
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" ¨Ø´ÊÙ§ÊØ´ ¤×Í àº×éͧÅèÒ§·Õè¼èÒ¹ÁÒ ¨Ø´ÊÙ§¤èÒ ¤×Í ÊÔè§ã´Ë¹ÍªÕÇÕ "

16 ¾ÄÉÀÒ¤Á 2005 18:34 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ tana
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #8  
Old 16 ¾ÄÉÀÒ¤Á 2005, 19:39
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Nay Nay äÁèÍÂÙèã¹Ãкº
àÃÔèÁ½Ö¡ÇÃÂØ·¸ì
 
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ãªèáÅéÇ à»ç¹¹ÔÂÒÁ¨ÃÔ§æ ´éÇ ¢Íº¤Ø³¤ÃѺ
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¡ÅѺÁÒáÅéǨéÒ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #9  
Old 02 àÁÉÒ¹ 2008, 23:52
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notethetamper notethetamper äÁèÍÂÙèã¹Ãкº
ÊÁÒªÔ¡ãËÁè
 
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theorem ¡Ñº proposition ᵡµèÒ§¡Ñ¹Âѧä§àËÃͤÃѺ ÁÕ¢éÍÊѧࡵ㹡ÒÃàÅ×Í¡ãªéËÃ×Íà»ÅèÒ?
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #10  
Old 03 àÁÉÒ¹ 2008, 09:18
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
¼Ùé¾Ô·Ñ¡Éì¡®·ÑèÇä»
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ notethetamper View Post
theorem ¡Ñº proposition ᵡµèÒ§¡Ñ¹Âѧä§àËÃͤÃѺ ÁÕ¢éÍÊѧࡵ㹡ÒÃàÅ×Í¡ãªéËÃ×Íà»ÅèÒ?
¨¹¶Ö§ºÑ´¹Õé¼Á¡çÂѧá¡ÊͧÍÂèÒ§¹ÕéäÁèÍÍ¡àŤÃѺ áµèéà·èÒ·ÕèÊѧࡵ Proposition ¨ÐÁÕ¤ÇÒÁÊӤѭ¹éÍ¡ÇèÒ Theorem ¤ÃѺ
Proposition ÍÒ¨¨Ðà»ç¹¤ÇÒÁ¨ÃÔ§àÅç¡æ·Õèä´éÁÒâ´ÂµÃ§¨Ò¡¹ÔÂÒÁ«Öè§àÃÒÍÒ¨¹ÓÁÒãªéã¹âÍ¡ÒʵèÍä»
Theorem ¤×ͤÇÒÁ¨ÃÔ§·ÕèÍÒ¨¨Ðä´éÁÒ¨Ò¡¡Ãкǹ¡ÒþÔÊÙ¨¹ì·Õè«Ñº«é͹¢Öé¹ ÍÒ¨ÁÕ¡ÒÃÍéÒ§ÍÔ§¶Ö§¹ÔÂÒÁ ,lemma ËÃ×Í theorem ·Õèä´éÃѺ¡ÒþÔÊÙ¨¹ìäÇéáÅéÇ¡è͹˹éÒ¹Õé

».Å. ÍÂèÒàª×èͼÁÁÒ¡ ¼Á¡çÁÑèÇàÍÒàËÁ×͹¡Ñ¹
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #11  
Old 04 àÁÉÒ¹ 2008, 12:55
kongp kongp äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³äÃéÊÀÒ¾
 
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áËÁà«Õ¹áÁç·Âѧá¡äÁèÍÍ¡àÅ ¼Áà¢éÒ㨤ÃѺ à¾ÃÒÐàÃÒäÁèãªèªÒǵÐÇѹµ¡·Õè¡Ó˹´ ¹ÔÂÒÁµèÒ§æ ·Ò§¤³ÔµÈÒʵÃì áÅÐàÍÒà¢éÒ¨ÃÔ§æ ¡ÒÃãªé§Ò¹¡çÁÕ·Õèà¢éÒ㨵èÒ§¡Ñ¹á¡µÒÁÊѧ¤Á áÅÐÂÔè§ÊèǹÁÒ¡¨Ðà»ç¹¹Ñ¡ÍèÒ¹¡Ñ¹à»ç¹ÊèǹãË­è àÃÕ¡ä´éÇèÒà»ç¹¼Ùéʹã¨à·èÒ¹Ñé¹ áµè¼Ùé·ÕèÁÕâÍ¡ÒÈ㹡ÒþѲ¹Ò¨ÃÔ§æ ÁÑ¡¨Ðà»ç¹¤¹·ÕèÁÕ°Ò¹ÐËÃ×ÍâÍ¡ÒÈ·Ò§Êѧ¤ÁÊÙ§ «Öè§ÁÕÁÒ¡ã¹Êѧ¤ÁµÐÇѹµ¡ ¤Ô´ÇèÒ¤§µéͧÍèҹ˹ѧÊ×Í੾ÒдéÒ¹àÃ×èͧ¡ÒÃà¢Õ¹º·¤ÇÒÁ(¤ÇÒÁàËç¹)·Ò§¤³ÔµÈÒʵÃì ¨Ö§¨ÐÁÕµÑÇÍÂèÒ§¡ÒÃãªéËÃ×ͤÓá¹Ð¹ÓÍ×è¹æ
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