"`lsqb`" meaning in All languages combined

{
  "forms": [
    {
      "form": "`lsqb`",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "`lsqb`",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "original_title": "Unsupported titles/`lsqb`",
  "pos": "symbol",
  "related": [
    {
      "_dis1": "0 0 0",
      "word": "]"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Mathematics",
          "orig": "mul:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "49 49 3",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "[a,b)=x∈ R ,|,a<x<b"
        },
        {
          "text": "[a,b[=x∈ R ,|,a<x<b"
        }
      ],
      "glosses": [
        "Denotes a closed left endpoint of an interval."
      ],
      "id": "en-`lsqb`-mul-symbol-QXlGXU2Y",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "interval",
          "w:Interval (mathematics)"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Denotes a closed left endpoint of an interval."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Mathematics",
          "orig": "mul:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "49 49 3",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "[a,b[=x∈ R ,|,a<x<b"
        },
        {
          "text": "]a,b[=x∈ R ,|,a<x<b"
        }
      ],
      "glosses": [
        "Denotes an open right endpoint of an interval."
      ],
      "id": "en-`lsqb`-mul-symbol-wDI6Gz3h",
      "links": [
        [
          "mathematics",
          "mathematics"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Denotes an open right endpoint of an interval."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "Used in [ ]."
      ],
      "id": "en-`lsqb`-mul-symbol-H2GLo6E4",
      "links": [
        [
          "[ ]",
          "Unsupported titles/`lsqb` `rsqb`#Translingual"
        ]
      ]
    }
  ],
  "word": "`lsqb`"
}

{
  "categories": [
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual symbols",
    "Translingual terms spelled with `"
  ],
  "forms": [
    {
      "form": "`lsqb`",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "`lsqb`",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "original_title": "Unsupported titles/`lsqb`",
  "pos": "symbol",
  "related": [
    {
      "word": "]"
    }
  ],
  "senses": [
    {
      "categories": [
        "Translingual terms with non-redundant non-automated sortkeys",
        "mul:Mathematics"
      ],
      "examples": [
        {
          "text": "[a,b)=x∈ R ,|,a<x<b"
        },
        {
          "text": "[a,b[=x∈ R ,|,a<x<b"
        }
      ],
      "glosses": [
        "Denotes a closed left endpoint of an interval."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "interval",
          "w:Interval (mathematics)"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Denotes a closed left endpoint of an interval."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        "Translingual terms with non-redundant non-automated sortkeys",
        "mul:Mathematics"
      ],
      "examples": [
        {
          "text": "[a,b[=x∈ R ,|,a<x<b"
        },
        {
          "text": "]a,b[=x∈ R ,|,a<x<b"
        }
      ],
      "glosses": [
        "Denotes an open right endpoint of an interval."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Denotes an open right endpoint of an interval."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "Used in [ ]."
      ],
      "links": [
        [
          "[ ]",
          "Unsupported titles/`lsqb` `rsqb`#Translingual"
        ]
      ]
    }
  ],
  "word": "`lsqb`"
}