"or not" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions adverbiales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de or et de not."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "William Haslit, Characters of Shakespeare's Plays, 1817",
          "text": "Whether the analysis here given be just or not, the spirit of his comedies is evidently quite distinct from that of the authors above mentioned, as it is in its essence the same with that of Cervantes, and also very frequently of Moliere, though he was more systematic in his extravagance than Shakespeare."
        }
      ],
      "glosses": [
        "Ou pas."
      ],
      "id": "fr-or_not-en-adv-STahbyvv"
    }
  ],
  "word": "or not"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions adverbiales en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de or et de not."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire"
      ],
      "examples": [
        {
          "ref": "William Haslit, Characters of Shakespeare's Plays, 1817",
          "text": "Whether the analysis here given be just or not, the spirit of his comedies is evidently quite distinct from that of the authors above mentioned, as it is in its essence the same with that of Cervantes, and also very frequently of Moliere, though he was more systematic in his extravagance than Shakespeare."
        }
      ],
      "glosses": [
        "Ou pas."
      ]
    }
  ],
  "word": "or not"
}