Difference between revisions of "Combinatorics"
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| − | '''Combinatorics''' is the study of counting. The two most basic and fundamental ideas are that of [[permutations]] and [[combinations]]. | + | '''Combinatorics''' is the study of counting. |
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| + | == Introductory combinatorics == | ||
| + | The two most basic and fundamental ideas are that of [[permutations]] and [[combinations]]. | ||
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| + | == Intermediate combinatorics == | ||
| + | An important result of counting techniques is the formulation of the [[Principle of Inclusion-Exclusion]] (PIE). | ||
Revision as of 22:48, 17 June 2006
Combinatorics is the study of counting.
Introductory combinatorics
The two most basic and fundamental ideas are that of permutations and combinations.
Intermediate combinatorics
An important result of counting techniques is the formulation of the Principle of Inclusion-Exclusion (PIE).
