I misremembered, but I can't seem to recall the name of the device where you show a specific example from a class to stand in for the whole class. This is remar

I misremembered, but I can't seem to recall the name of the device where you show a specific example from a class to stand in for the whole class. This is remarkably hard to search for. Please be useful and remind me what the proper name of the device is. I think everybody is taking this article both too seriously and too literally. Sadly there is no known cure.