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Complete the following proofs by filling in the blanks as appropriate. A. 1. ( R ~ S ) T 2. R -> Q 3. T
Complete the following proofs by filling in the blanks as appropriate.
A.1. ( R ~ S ) T
2. R -> Q
3. T W
4. Q -> ~ S / W
5. R ~ S
6. T
7. W
B.
1. ~ ( A B )
2. ~ C D
3. C B / D
~ ( ~ A v B ) _________
5. A & ~ B _________
6. ~ D C _________
7. ~ D B _________
8. ~ B _________
9. D _________
Prove valid, using rules and equivalences.
1. ( A v B ) ~ ( C D )
2. ~ C / ~ B
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