It has similarities to a very, very short story by Fredric Brown published two years before. It was called 'Answer' and is only 252 words long:
https://www.roma1.infn.it/~anzel/answer.html
Good. So we have a super short story and a short story. Someone should write a book now.
yes, i came to look for this comment - i immediately thought of this (i thought of The Solipsist)
Good. So we have a super short story and a short story. Someone should write a book now.