Write the letter of the correct on the space provided.
1. It is a well-defined collection of objects. a. elements b. set c. subset
2. These are diagrams that make use of geometric shapes to show relationships between sets a. Venn diagrams b. universal set c. null set
3. What is the symbol of an empty set? b. n
4. The is an empty set. a. null set b. subset universal set U c. C.
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