Question: Demonstrate a very simple function f: A?B ?along with subsets C, DsubeA such that f(C-D) ?is not a subset of f(C)-f(D). [Hint: Use a very

Demonstrate a very simple function f: A?B ?along with subsets C, DsubeA such that f(C-D) ?is not a subset of f(C)-f(D). [Hint: Use a very simple function where DsubC.]?

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