It is an effective story, and the essential question it asks (which, of course, is a massive spoiler) is not a trivial one and not totally abstract. I have that in some collection or other, maybe more than one; it's one that's likely to be in most collections for that time.
The Wikipedia article for the story (yes, there's a full fledged entry) is rather interesting; note of course that it spoilers like crazy.
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The Wikipedia article for the story (yes, there's a full fledged entry) is rather interesting; note of course that it spoilers like crazy.