On the following terms could you please give my an English text description - in your own words. Thanks.
4. Relation on A:
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1. Combinatorics : Combinatorics is a special branch in Mathematics in which not only one studies about the possible permutations and combinations of elements of sets but also the ...
Definitions of Combinatorics, Enumeration, Permutation, Relation on A, Rn, Reflexive, Symmetric, Antisymmetric and Transitive are provided.