{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "http://jsonlogic.com/schemas/common/no-logic-object.json",

  "title": "No-Logic",
  "description": "Any valid JSON object which is not a logic rule.",

  "oneOf": [
    {
      "title": "Empty object.",
      "type": "object",
      "maxProperties": 0
    },
    {
      "title": "Non-Logic single key object.",
      "allOf": [
        {
          "type": "object",
          "minProperties": 1,
          "maxProperties": 1
        },
        {
          "not": {
            "type": "object",
            "minProperties": 1,
            "maxProperties": 1,
            "oneOf": [
              { "required": ["var"] },
              { "required": ["missing"] },
              { "required": ["missing_some"] },
              { "required": ["+"] },
              { "required": ["/"] },
              { "required": ["%"] },
              { "required": ["*"] },
              { "required": ["-"] },
              { "required": ["all"] },
              { "required": ["filter"] },
              { "required": ["map"] },
              { "required": ["merge"] },
              { "required": ["none"] },
              { "required": ["reduce"] },
              { "required": ["some"] },
              { "required": ["and"] },
              { "required": ["=="] },
              { "required": ["if"] },
              { "required": ["?:"] },
              { "required": ["!"] },
              { "required": ["!="] },
              { "required": ["!!"] },
              { "required": ["or"] },
              { "required": ["==="] },
              { "required": ["!=="] },
              { "required": ["in"] },
              { "required": ["log"] },
              { "required": ["method"] },
              { "required": [">"] },
              { "required": [">="] },
              { "required": ["<"] },
              { "required": ["<="] },
              { "required": ["max"] },
              { "required": ["min"] },
              { "required": ["cat"] },
              { "required": ["substr"] }
            ]
          }
        }
      ]
    },
    {
      "title": "Non-Logic multiple key object.",
      "type": "object",
      "minProperties": 2
    }
  ]
}