2. Combinations
2.1 Combinations, arrangements, permutations: definitions
Given a finite set N with n elements, │N │ = n 1. The abbreviation stands for the set of integers {1, 2, ..., n}, where n itself is an integer 1.
Definition 1: A combination of k objects of N is a k-element part K of N, k
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Combinations
Pascal's triangle
References
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