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        },
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        },
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        },
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        },
        {
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        }
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        },
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        }
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    "type": "sort",
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    "fields": {},
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        },
        {
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        }
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    "fields": {}
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    "type": "term",
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    "fields": {},
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      "required": true,
      "types": [
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          "type": "expr",
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        },
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          "type": "identifier",
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        },
        {
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        },
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          "type": "sort",
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        }
      ]
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  },
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    "type": "variable",
    "named": true,
    "fields": {},
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      "required": true,
      "types": [
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    "type": "variable_binding",
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            "type": "expr",
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          }
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          "type": "identifier",
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        },
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        }
      ]
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    "type": "(",
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  },
  {
    "type": ")",
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  },
  {
    "type": ",",
    "named": false
  },
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    "type": ":",
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    "type": ":=",
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    "type": ";",
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  {
    "type": "=>",
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  {
    "type": "[",
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  },
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    "type": "[]",
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    "type": "]",
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    "type": "axiom",
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  {
    "type": "command",
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  },
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    "type": "comment",
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  },
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    "type": "def",
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    "type": "end",
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  },
  {
    "type": "forall",
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  {
    "type": "fun",
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    "type": "hypothesis",
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  },
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  },
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    "type": "infixl",
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  },
  {
    "type": "infixr",
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  },
  {
    "type": "let",
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  },
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    "type": "post_command",
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    "type": "precedence",
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    "type": "section",
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    "type": "symbol",
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    "type": "variable",
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    "type": "λ",
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  {
    "type": "→",
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  },
  {
    "type": "⇒",
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  },
  {
    "type": "∏",
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  },
  {
    "type": "□",
    "named": false
  }
]