{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "http://jsonlogic.com/schemas/operators/logic/not.json",

  "title": "!",
  "description": "Logical negation (“not”). Takes just one argument.",

  "type": "object",
  "additionalProperties": false,
  "required": ["!"],
  "properties": {
    "!": {
      "$ref": "http://jsonlogic.com/schemas/common/unary-arg.json"
    }
  },
  "examples": [
    { "!": [true] },
    { "!": true }
  ]
}