"contravariant functor" meaning in All languages combined

See contravariant functor on Wiktionary

Noun [English]

Forms: contravariant functors [plural]
Head templates: {{en-noun}} contravariant functor (plural contravariant functors)
  1. (category theory) A functor which maps a morphism f:X → Y to a morphism F(f):F(Y) → F(X), such that if h=g∘f, then F(h)=F(f)∘F(g). Categories (topical): Category theory Translations (category theory: functor): hjávarpi [masculine] (Icelandic), andbrigður varpi [masculine] (Icelandic), mótbrigður varpi [masculine] (Icelandic), functor/funtor contravariante [masculine] (Portuguese)

Inflected forms

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      "tags": [
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  "lang_code": "en",
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          "source": "w"
        },
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        },
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          "kind": "topical",
          "langcode": "en",
          "name": "Category theory",
          "orig": "en:Category theory",
          "parents": [
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            "Formal sciences",
            "Sciences",
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        }
      ],
      "examples": [
        {
          "text": "A contravariant functor F#x3A;#x5C;mathcal#x7B;C#x7D;#x5C;rightarrow#x5C;mathcal#x7B;D#x7D; is the same as a covariant functor F#x3A;#x5C;mathcal#x7B;C#x7D;#x7B;op#x7D;#x5C;rightarrow#x5C;mathcal#x7B;D#x7D;.",
          "type": "example"
        }
      ],
      "glosses": [
        "A functor which maps a morphism f:X → Y to a morphism F(f):F(Y) → F(X), such that if h=g∘f, then F(h)=F(f)∘F(g)."
      ],
      "id": "en-contravariant_functor-en-noun-~4Tho6ST",
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        ]
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      "raw_glosses": [
        "(category theory) A functor which maps a morphism f:X → Y to a morphism F(f):F(Y) → F(X), such that if h=g∘f, then F(h)=F(f)∘F(g)."
      ],
      "topics": [
        "category-theory",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
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      "translations": [
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "category theory: functor",
          "tags": [
            "masculine"
          ],
          "word": "hjávarpi"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "category theory: functor",
          "tags": [
            "masculine"
          ],
          "word": "andbrigður varpi"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "category theory: functor",
          "tags": [
            "masculine"
          ],
          "word": "mótbrigður varpi"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "category theory: functor",
          "tags": [
            "masculine"
          ],
          "word": "functor/funtor contravariante"
        }
      ]
    }
  ],
  "word": "contravariant functor"
}
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          "text": "A contravariant functor F#x3A;#x5C;mathcal#x7B;C#x7D;#x5C;rightarrow#x5C;mathcal#x7B;D#x7D; is the same as a covariant functor F#x3A;#x5C;mathcal#x7B;C#x7D;#x7B;op#x7D;#x5C;rightarrow#x5C;mathcal#x7B;D#x7D;.",
          "type": "example"
        }
      ],
      "glosses": [
        "A functor which maps a morphism f:X → Y to a morphism F(f):F(Y) → F(X), such that if h=g∘f, then F(h)=F(f)∘F(g)."
      ],
      "links": [
        [
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          "category theory"
        ],
        [
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        ],
        [
          "morphism",
          "morphism"
        ]
      ],
      "raw_glosses": [
        "(category theory) A functor which maps a morphism f:X → Y to a morphism F(f):F(Y) → F(X), such that if h=g∘f, then F(h)=F(f)∘F(g)."
      ],
      "topics": [
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        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
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  ],
  "translations": [
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "category theory: functor",
      "tags": [
        "masculine"
      ],
      "word": "hjávarpi"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "category theory: functor",
      "tags": [
        "masculine"
      ],
      "word": "andbrigður varpi"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "category theory: functor",
      "tags": [
        "masculine"
      ],
      "word": "mótbrigður varpi"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "category theory: functor",
      "tags": [
        "masculine"
      ],
      "word": "functor/funtor contravariante"
    }
  ],
  "word": "contravariant functor"
}

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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-12-21 from the enwiktionary dump dated 2024-12-04 using wiktextract (d8cb2f3 and 4e554ae). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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