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  "body": "\n## Summary\n\nA Dyck word is a balanced word of opening and closing brackets. Dyck words form the Dyck language of formal language theory, and those of semilength $n$ are counted by the Catalan number $C_n$. The node [[Dyck word|0R9JR0465V]] gives the precise definition.\n",
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  "msc": [
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  "name": "Dyck word",
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  "source": "https://github.com/tamnd/math2/blob/main/nodes/0YT/0YTJ3RN3GE.md",
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  "url": "https://math2.tamnd.com/wiki/dyck-word/",
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