Click here for pdf. These notes on some beginning ideas of combinatorics cover only:

the Pigeonhole Principle

basic rules about combinations and permutations

a few features of Pascal’s Triangle

the Inclusion-Exclusion principle

Click here for pdf. These notes on some beginning ideas of combinatorics cover only:

the Pigeonhole Principle

basic rules about combinations and permutations

a few features of Pascal’s Triangle

the Inclusion-Exclusion principle

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