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]]. A important result of counting techniques is the formulation of the [[Principle of Inclusion-Exclusion (PIE) | + | '''Combinatorics''' is the study of counting. The two most basic and fundamental ideas are that of [[permutations]] and [[combinations]]. A important result of counting techniques is the formulation of the [[Principle of Inclusion-Exclusion]] (PIE). |
Revision as of 22:40, 17 June 2006
Combinatorics is the study of counting. The two most basic and fundamental ideas are that of permutations and combinations. A important result of counting techniques is the formulation of the Principle of Inclusion-Exclusion (PIE).
