Lately, I've been using a few elevators that shuttle back and forth between the ground floor and the second floor.
When I get into one of these elevators, I see two buttons: 1 and 2.
Now I admit that before I press one of these buttons, I usually have to think. (I'm not too good with East/West or Left/Right, either.) Still, it seems to me that these elevators have unnecessary buttons.
If we are on the first floor, the elevator can only go to 2. If we are on 2, the elevator can only go to 1. Therefore, the elevator needs only one button, labeled: GO.
Do you agree?
When I get into one of these elevators, I see two buttons: 1 and 2.
Now I admit that before I press one of these buttons, I usually have to think. (I'm not too good with East/West or Left/Right, either.) Still, it seems to me that these elevators have unnecessary buttons.
If we are on the first floor, the elevator can only go to 2. If we are on 2, the elevator can only go to 1. Therefore, the elevator needs only one button, labeled: GO.
Do you agree?
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