Combinatorics Basic counting Concept
Factorial
Summary
The factorial of a natural number is the product of the positive integers up to . It counts the orderings of distinct objects and appears in most counting formulas. The node factorial gives the precise definition.
Where this leads
4 pages build on this one.
Further reading
- Web https://en.wikipedia.org/wiki/Factorial, Definition
About this page
| Tag | 0XWG0JGDFW |
|---|---|
| URI | m2://0XWG0JGDFW |
| Kind | concept |
| Writing | W1 stated |
| MSC | 05A10 |
| Same as |
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What this page needs for W2
- edge instance_of in: at least two examples (0 of 2)
- edge not_instance_of in: at least one non-example (0 of 1)
- edge specializes both: the more general notions and the special cases (0 of 1)
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