category

catégorie

Un groupe de personnes ou de choses ayant un point commun ou considérées comme du même type.

En anglais simple : A group of people or things that share a feature or are treated as the same type.

• Choose a category from the list.
• We divided the entries into three categories.
• Which category does this film belong to?

Comment l'utiliser : a category of something (This category of birds has long legs.); fall into a category (These books fall into the same category.)

Synonymes : group, type, class

Expressions courantes : age category, different category, category of something, highest category

catégorie

Un système mathématique d’objets et de flèches, avec des règles pour combiner les flèches et laisser les objets inchangés.

En anglais simple : A mathematical system of objects and arrows linking them, with rules for joining arrows and leaving objects unchanged.

• This category contains only one object.
• The arrows in this category are functions.
• An identity arrow exists for every object in a category.

Expressions courantes : small category, category theory, category of sets