If a person chooses to walk rather than drive, there is one less vehicle emitting pollution into the air than there would be otherwise. Therefore if people would walk whenever it is feasible for them to do so, then pollution will be greatly reduced. Which one of the following is an assumption on whi...

The end of an action is the intended outcome of the action and not a mere by-product of the action, and the end's value is thus the only reason for the action. So while it is true that not every end's value will justify any means, and even, perhaps, that there is no end whose value will justify ever...