Lastly, the final sentence uses if the classic, the put it on the left side. So if teachers are effective, then they must have the power to make classroom decisions. One bizarre thing about this question stem is that it said we were going to be reading an argument and still being asked what must be false. So I wasn't sure if we would have to treat assumptions as though they are true. But before I even get there, I just want to figure out what's going on with all this conditional logic. When we get more than one conditional logic rule, they often link together.