Difference between revisions of "Combinatorics/Introduction"

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== Introductory topics in combinatorics ==
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An introduction to [[combinatorics]] concerns mostly [[counting]] and [[probability]]. As problem-solving ability becomes more advanced, the scope of combinatorics grows, leading students to the [[Combinatorics/Intermediate | intermediate]] level.
The following topics provide a good study in introductory combinatorics.
 
  
* [[Counting]]
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== Topics ==
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=== Counting ===
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* Counting [[functions]]
 
** [[Factorial]]
 
** [[Factorial]]
 
** [[Permutation]]
 
** [[Permutation]]
 
** [[Combination]]
 
** [[Combination]]
** Common Stragegies
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* [[Casework]]
*** [[Casework]]
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* [[Complementary counting]]
*** [[Complementary counting]]
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* [[Constructive counting]]
*** [[Constructive counting]]
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* [[Overcounting]]
*** [[Overcounting]]
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* [[Committee forming]]
** [[Committee forming]]
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* [[Distinguishability]]
** [[Distinguishability]]
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=== Probability ===
* [[Probability]]
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* Counting techniques in probability
** Basic Probability Techniques
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* [[Geometric probability]]
** [[Geometric probability]]
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* [[Expected value]]
** [[Expected value]]
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=== Miscellaneous ===
* Miscellaneous
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* [[Combinatorial identities]]
** [[Pascal's triangle]] and [[Block walking]]
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** [[Pascal's triangle]]
** [[Combinatorial identities]]
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** [[Block walking]]
** [[Binomial theorem]]
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* [[Binomial theorem]]
  
== Introductory combinatorics resources ==
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== Resources ==
  
 
=== Books ===
 
=== Books ===
* ''the Art of Problem Solving: Introduction to Counting and Probability'' by David Patrick ([https://artofproblemsolving.com/store/item/intro-counting details])
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* [https://artofproblemsolving.com/store/item/intro-counting AoPS Introduction to Counting & Probability Book]
  
 
=== Classes ===
 
=== Classes ===
* [[AoPS Online School/Introduction to Counting & Probability Course |Introduction to Counting & Probability]] ([https://artofproblemsolving.com/school/course/catalog/intro-counting information page])
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* [[AoPS Online School/Introduction to Counting & Probability Course |AoPS Introduction to Counting & Probability Course]]
  
 
=== Videos ===
 
=== Videos ===
* [https://www.youtube.com/watch?v=t6a4uHEwQnM&list=PLT9bNzqjDoMmMNsMAJ3g7C4ptRnPMMrpT AMC8 Math Competition Preperation Playlist by Sohil Rathi]
 
 
* [https://artofproblemsolving.com/videos/counting AoPS Counting & Probability Videos]
 
* [https://artofproblemsolving.com/videos/counting AoPS Counting & Probability Videos]
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* [https://www.youtube.com/watch?v=t6a4uHEwQnM&list=PLT9bNzqjDoMmMNsMAJ3g7C4ptRnPMMrpT Sohil Rathi AMC8 Math Competition Preperation Playlist]
  
 
== See also ==
 
== See also ==
* [[Combinatorics/Intermediate | Intermediate topics in combinatorics]]
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* [[Combinatorics/Intermediate | Intermediate combinatorics]]
* [[Combinatorics/Olympiad | Olympiad topics in combinatorics]]
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* [[Combinatorics/Olympiad | Olympiad combinatorics]]
  
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[[Category:Combinatorics]]
 
[[Category:Introductory Mathematics Topics]]
 
[[Category:Introductory Mathematics Topics]]
[[Category:Combinatorics]]
 

Revision as of 21:59, 26 May 2021