"precisely unless" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {},
      "expansion": "precisely unless",
      "name": "en-con"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Logic",
          "orig": "en:Logic",
          "parents": [
            "Formal sciences",
            "Philosophy",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "implies a negative and is implied by a negative; i.e. B implies not-A and not-B implies A"
      ],
      "id": "en-precisely_unless-en-conj-UMl1p9ro",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "logic",
          "logic"
        ],
        [
          "implies",
          "implies"
        ],
        [
          "negative",
          "negative"
        ]
      ],
      "raw_glosses": [
        "(mathematics, logic) implies a negative and is implied by a negative; i.e. B implies not-A and not-B implies A"
      ],
      "synonyms": [
        {
          "word": "unlesss"
        }
      ],
      "topics": [
        "human-sciences",
        "logic",
        "mathematics",
        "philosophy",
        "sciences"
      ]
    }
  ],
  "word": "precisely unless"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "precisely unless",
      "name": "en-con"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "English conjunctions",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "en:Logic",
        "en:Mathematics"
      ],
      "glosses": [
        "implies a negative and is implied by a negative; i.e. B implies not-A and not-B implies A"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "logic",
          "logic"
        ],
        [
          "implies",
          "implies"
        ],
        [
          "negative",
          "negative"
        ]
      ],
      "raw_glosses": [
        "(mathematics, logic) implies a negative and is implied by a negative; i.e. B implies not-A and not-B implies A"
      ],
      "topics": [
        "human-sciences",
        "logic",
        "mathematics",
        "philosophy",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "unlesss"
    }
  ],
  "word": "precisely unless"
}