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  "body": "\n## Summary\n\nThe upper Darboux integral of a bounded function is the infimum of its upper Darboux sums. The lower one is the supremum of its lower Darboux sums. A function is integrable when the two agree. The node [[upper and lower Darboux integrals|09FQT057T7]] gives the precise definition.\n",
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  "name": "Upper and lower Darboux integrals",
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