# Logic

posted by
**Dan**
.

Using the law of inference, prove if the below argument is valid.

(P1) R -> B

(P2) D V R

(P3) B

/D

You may imply all rules of inference to figure out if it is valid.

posted by
**Dan**
.

Using the law of inference, prove if the below argument is valid.

(P1) R -> B

(P2) D V R

(P3) B

/D

You may imply all rules of inference to figure out if it is valid.