“If A and B are known to be true, and X and Y are known to be false, but the truth values of P and Q are not known, of which of the following statements can you determine the truth values”

*Note:* Just as in 2.1, II, you can actually determine the truth value for* all *of the problems.

- T 11. T
- T 12. T
- F 13. T
- F 14. T
- F 15. F
- T 16. T
- T 17. T
- F 18. T
- F 19. T
- F 20. T

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