Exercise 4.
Is the following a valid deduction rule? Explain.
| \(P \imp Q\) | |
| \(P\imp R\) | |
| \(\therefore\) | \(P \imp (Q \wedge R)\text{.}\) |
Is the following a valid deduction rule? Explain.
| \(P \imp Q\) | |
| \(P\imp R\) | |
| \(\therefore\) | \(P \imp (Q \wedge R)\text{.}\) |