SET THEORY
Across
- 7. |A| (symbol name)
- 8. A ⊃ B (symbol name)
- 10. a ∈ B (symbol name)
- 11. A ⊂ B (symbol name)
- 12. A ∪ B (symbol name)
- 13. A ⊇ B (symbol name)
- 14. Ac (symbol name)
- 15. A ∩ B (symbol name)
Down
- 1. A \ B or A - B (symbol name)
- 2. A = B (symbol name)
- 3. Ø (symbol name)
- 4. (a,b) (symbol name)
- 5. A ∆ B (symbol name)
- 6. A ⊄ B (symbol name)
- 9. A ⊅ B (symbol name)