There are only two possible partitions of the set f1; 2g. They are f1g; f2g and f1; 2g
Chapter 16, Problem 16.1(choose chapter or problem)
There are only two possible partitions of the set f1; 2g. They are f1g; f2g and f1; 2g . Find all possible partitions of f1; 2; 3g and of f1; 2; 3; 4g.
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