Select the statement which is the logical equivalent to the given statement. If we go to zoo, then we can see an elephant.
1. If we go to the zoo, then we cannot see an elephant.
2. If we do not go to the zoo, then we cannot see an elephant.
3. If we saw an elephant, then we had gone to the zoo.
4. If we didn’t see an elephant, then we haven’t gone to the zoo.