"Grötzsch's theorem" meaning in All languages combined

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  "etymology_text": "Named after German mathematician Herbert Grötzsch, who published a proof in 1959.",
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      "glosses": [
        "The statement that every triangle-free planar graph has a coloring using only three colors."
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        "(graph theory) The statement that every triangle-free planar graph has a coloring using only three colors."
      ],
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  "word": "Grötzsch's theorem"
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  "etymology_text": "Named after German mathematician Herbert Grötzsch, who published a proof in 1959.",
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        "(graph theory) The statement that every triangle-free planar graph has a coloring using only three colors."
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