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# 18.S66 The Art of Counting

## 18.S66 The Art of Counting

The subject of enumerative combinatorics deals with counting the number of elements of a finite set. For instance, the number of ways to write a positive integer n as a sum of positive integers, taking order into account, is 2n-1. We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them. This is a subject which requires little mathematical background to reach the frontiers... More
Material Type: Online Course
Date Added to MERLOT: October 20, 2011
Date Modified in MERLOT: October 20, 2011
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