Comment on Underrated reasons to be thankful VComments−kazinator9moReasons to be glum:[...]#20. That not every symbolic expression recursively built from integrable elementary functions has an integral that can also be written as a recursive combination of elementary functions ...
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Reasons to be glum:
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#20. That not every symbolic expression recursively built from integrable elementary functions has an integral that can also be written as a recursive combination of elementary functions ...