What is the cardinality of given sets

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Question: 1. What is the cardinality of {0,cat,{dog},{2.1,6}}? List all its subsets. (How many should there be?)

2. Formally negate the statement "You can fool all of the people all of the time."

3. List several elements of the set E = {x ∈ Z | ½x ∈ Z} and then give a simpler description of E.

Reference no: EM131584548

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