Erica intends to construct a subset of but if she is unsure about including an element of in she will write in bold and include it in For example, and are valid examples of while is not. Find the total number of such sets that Erica can construct.
Erica intends to construct a subset of but if she is unsure about including an element of in she will write in bold and include it in For example, and are valid examples of while is not. Find the total number of such sets that Erica can construct.
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