# For each numbered statement that is not a premise in each of the formal proofs that follow,

## Question:

For each numbered statement that is not a premise in each of the formal proofs that follow, state the rule of inference that justifies it.

1. (H ꓦ I) ⊃ [J ⋅ (K ⋅ L)]

2. I

∴ J ⋅ K

3. I ꓦ H

4. H ꓦ I

5. J ⋅ (K ⋅ L)

6. (J ⋅ K) ⋅ L

7. J ⋅ K

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**Related Book For**

## Introduction To Logic

**ISBN:** 9781138500860

15th Edition

**Authors:** Irving M. Copi, Carl Cohen, Victor Rodych