| 释义 |
exercise, left as an exercise, left as anUsed to complete a proof in technical books when one doesn'tmind a handwave, or to avoid one entirely. The completephrase is: "The proof [or "the rest"] is left as an exercisefor the reader." This comment *has* occasionally beenattached to unsolved research problems by authors possessed ofeither an evil sense of humour or a vast faith in thecapabilities of their audiences. |