Determine the values of the following set expressions. Ø × {{0}} P({0, {0}}) {0} × {0, {0}} P({{0}}) 1. {(0, {0}), (0, 0)} 2. {({0}, {0}), ({0}, {{0}})} 3. Ø 4. {0, {{0}}} 5. {0, {0}, {{0}}, {0, {0}}}

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