"strictly decreasing function" meaning in Английский

{
  "categories": [
    {
      "kind": "other",
      "name": "Английский язык",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Устойчивые сочетания/en",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Функции/en",
      "parents": [],
      "source": "w"
    }
  ],
  "hypernyms": [
    {
      "sense_index": 1,
      "word": "function"
    }
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "examples": [
        {
          "text": "Every strictly decreasing function has an inverse function, which is again strictly decreasing."
        }
      ],
      "glosses": [
        "строго убывающая функция"
      ],
      "id": "ru-strictly_decreasing_function-en-phrase-bPgZGR0u",
      "raw_glosses": [
        "матем. строго убывающая функция"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "strictly decreasing function"
}

{
  "categories": [
    "Английский язык",
    "Устойчивые сочетания/en",
    "Функции/en"
  ],
  "hypernyms": [
    {
      "sense_index": 1,
      "word": "function"
    }
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "examples": [
        {
          "text": "Every strictly decreasing function has an inverse function, which is again strictly decreasing."
        }
      ],
      "glosses": [
        "строго убывающая функция"
      ],
      "raw_glosses": [
        "матем. строго убывающая функция"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "strictly decreasing function"
}