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Show Q. E. D. "Ten years ago," said the professor of mathematics, "I killed a fly that had got into my office. If I hadn't killed . that fly, she would certainly have laid fifteen hundred eggs. From these eggs would have come other flies, who would in turn have increased and multiplied mul-tiplied so that by now we should have 550,637,841,296 more flies. Obviously they would have made life an inferno. Therefore, it is certain thU by the killing kill-ing of that fly I did the world a great service." New York Evening Post. |