III. Use conversion, obversion, and contraposition to determine whether the following
arguments are valid or invalid. For those that are invalid, name the fallacy committed.
1. All commodity traders are gamblers who risk sudden disaster.
Therefore, all gamblers who risk sudden disaster are commodity traders.
2. No child abusers are people who belong in day-care centers.
Therefore, all child abusers are people who do not belong in day-care centers.