Combinatorics (subject)
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Overview
Combinatorics studies how many combinations (or permutations) there are of doing things. For example, given 2 finite sets, how many functions are there from 1 to the other? This is combinatorics. A small amount of it is very useful, a deeper amount provides useful insight into counting things.
Statistics
The combinatorics project of this site contains:
 (All pages)  13 pages
 Definitions  11 pages
 Theorems, lemmas and corollaries  0 pages
