Chapter 8, Level 1 Self Quiz: CI

. Determine whether the following proof is correct or incorrect.
 The five steps are: 1. Tilde P horseshoe (Q wedge R). 2. (tilde P horseshoe tilde S) horseshoe tilde L. 3. (Q wedge R) horseshoe tilde S slash tilde L. 4. Tilde P horseshoe tilde S 1, 3, D S. 5. Tilde L 2, 4, M P.

. Determine whether the following proof is correct or incorrect.
 The seven steps are: 1. R wedge S. 2. tilde (P wedge Q). 3. R horseshoe (P wedge Q). 4. S horseshoe (Q wedge R) slash Q wedge R. 5. Tilde R 2, 3, M T. 6. S 1, 5, D S. 7. Q 4, 6, M P.

. Determine whether the following proof is correct or incorrect.
 The eight steps are: 1. P wedge (S horseshoe Q). 2. Tilde Q. 3. P horseshoe Q. 4. Tilde S horseshoe R slash R. 5. Tilde P 2, 3 M T. 6. S horseshoe Q 1, 5 D S. 7. Tilde S 2, 6 M T. 8. R 4, 7 M P.

. Determine whether the following proof is correct or incorrect.
 The eight steps are: 1. Q horseshoe P. 2. S. 3. (Q wedge tilde R) horseshoe tilde P. 4. S horseshoe (Q wedge tilde R) slash tilde R. 5. Q wedge tilde R 2, 4, M P. 6. Tilde P 3, 5, M P. 7. Tilde Q 1, 6, M T. 8. Tilde R 5, 7, D S.

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