{
  "aliases": [
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  "body": "\n## Summary\n\nIn [[combinatorics|0JKW7W7XFR]], a **square-free word** is a word (a sequence of symbols) that does not contain any squares. A **square** is a word of the form $XX$, where $X$ is not empty. Thus, a square-free word can also be defined as a word that avoids the pattern $XX$.\n",
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