Question: Use indirect truth tables to determine whether the following arguments are valid or invalid. 1. B C C B 2. E F

Use indirect truth tables to determine whether the following arguments are valid or invalid.

1. B ⊃ C

∼ ­C

∼­B

2. ­∼E ∨ F

∼­E

∼­F

3. P ⊃ (Q ∙ R)

R ⊃ S

P ⊃ S

4. ∼ (I ≡ I)/∼ (I ⊃ I)

5.

(Y כXכW (Z כYכX /Z כ XכW

6.

A (Bv C) C) (D•E) -B

7.

(Y XW (Z YX /Z XW A (Bv C) C) (DE) -B

8.

9.

10.

11.

12.

13.

14.

15.

(Y XW (Z YX /Z XW A (Bv C) C) (DE) -B

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