"対称差集合" meaning in Japanese

{
  "forms": [
    {
      "form": "対称差集合",
      "ruby": [
        [
          "対",
          "たい"
        ],
        [
          "称",
          "しょう"
        ],
        [
          "差",
          "さ"
        ],
        [
          "集",
          "しゅう"
        ],
        [
          "合",
          "ごう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "taishōsa shūgō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "たいしょうさ しゅうごう"
      },
      "expansion": "対(たい)称(しょう)差(さ)集(しゅう)合(ごう) • (taishōsa shūgō)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Set theory",
          "orig": "ja:Set theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "symmetric difference"
      ],
      "id": "en-対称差集合-ja-noun-DVy8Esow",
      "links": [
        [
          "set theory",
          "set theory"
        ],
        [
          "symmetric difference",
          "symmetric difference"
        ]
      ],
      "raw_glosses": [
        "(set theory) symmetric difference"
      ],
      "related": [
        {
          "roman": "washūgō",
          "ruby": [
            [
              "和集合",
              "わしゅうごう"
            ]
          ],
          "word": "和集合"
        },
        {
          "roman": "sekishūgō",
          "ruby": [
            [
              "積集合",
              "せきしゅうごう"
            ]
          ],
          "word": "積集合"
        },
        {
          "roman": "sashūgō",
          "ruby": [
            [
              "差集合",
              "さしゅうごう"
            ]
          ],
          "word": "差集合"
        }
      ],
      "synonyms": [
        {
          "roman": "taishōsa",
          "ruby": [
            [
              "対称差",
              "たいしょうさ"
            ]
          ],
          "word": "対称差"
        }
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ]
    }
  ],
  "word": "対称差集合"
}

{
  "forms": [
    {
      "form": "対称差集合",
      "ruby": [
        [
          "対",
          "たい"
        ],
        [
          "称",
          "しょう"
        ],
        [
          "差",
          "さ"
        ],
        [
          "集",
          "しゅう"
        ],
        [
          "合",
          "ごう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "taishōsa shūgō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "たいしょうさ しゅうごう"
      },
      "expansion": "対(たい)称(しょう)差(さ)集(しゅう)合(ごう) • (taishōsa shūgō)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "washūgō",
      "ruby": [
        [
          "和集合",
          "わしゅうごう"
        ]
      ],
      "word": "和集合"
    },
    {
      "roman": "sekishūgō",
      "ruby": [
        [
          "積集合",
          "せきしゅうごう"
        ]
      ],
      "word": "積集合"
    },
    {
      "roman": "sashūgō",
      "ruby": [
        [
          "差集合",
          "さしゅうごう"
        ]
      ],
      "word": "差集合"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with five Han script characters",
        "Pages with raw sortkeys",
        "ja:Set theory"
      ],
      "glosses": [
        "symmetric difference"
      ],
      "links": [
        [
          "set theory",
          "set theory"
        ],
        [
          "symmetric difference",
          "symmetric difference"
        ]
      ],
      "raw_glosses": [
        "(set theory) symmetric difference"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "taishōsa",
      "ruby": [
        [
          "対称差",
          "たいしょうさ"
        ]
      ],
      "word": "対称差"
    }
  ],
  "word": "対称差集合"
}