The Reduce command breaks an essay up into sentences and sentence fragments that contain a logical idea.  Words inside each idea are additionally reduced by applying the Lemma command, correcting spelling, and pruning conjunctions and definite articles.  

An attempt is made to identify the subject of the previous fragment so it can be carried forward into the new fragment replacing some pronouns like "it" and "they".  This is heuristic based and may often pick the wrong subject.

This function is part of the EssayTools package, so it can be used in the short form Reduce(..) only after executing the command with(EssayTools). However, it can always be accessed through the long form of the command by using EssayTools[Reduce](..).

$\mathrm{with}\left(\mathrm{EssayTools}\right)\:$

$\mathrm{Reduce}\left(''The\; car\; was\; super\; fast.\; It\; was\; rocket\; screaming\; fast.\; Nothing\; else\; could\; touch\; it.''\right)$

$\left[''car\; be\; super\; fast''\,''car\; be\; rocket\; screaming\; fast''\,''nothing\; can\; touch\; touch''\right]$

$\mathrm{Reduce}\left(''The\; tortoise\; and\; hare\; was\; a\; great\; story\; because\; it\; showed\; how\; an\; underdog\; can\; succeed\; with\; dedication\; and\; perseverance.''\right)$

$\left[''tortoise\; hare\; be\; great\; story''\,''tortoise\; show\; how\; underdog\; can\; succeed\; dedication\; perseverance''\right]$

The EssayTools[Reduce] command was introduced in Maple 17.

For more information on Maple 17 changes, see Updates in Maple 17.