Question
Prove that the following arguments are standard by constructing metaphorical proof
| $(W\ O\ \rightarrow\ T)\ \&\ (F\ \rightarrow\ Y)$ |
| $B\ \&\ (P\ \rightarrow\ W)$ |
| $(E\ \rightarrow\ F)\ \&\ (H\ v\ I)$ |
| $P\ v\ E$ |
| $\therefore\ B\ \&\ (T\ v\ Y)$ |