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A set of polygons in an Euler diagram This set equals the one depicted above since both have the very same elements.. In mathematics, a set is a collection of different [1] things; [2] [3] [4] these things are called elements or members of the set and are typically mathematical objects of any kind: numbers, symbols, points in space, lines, other geometrical shapes, variables, or even other ...
This is a category with a collection of objects A, B, C and collection of morphisms denoted f, g, g ∘ f, and the loops are the identity arrows. This category is typically denoted by a boldface 3 . In mathematics , a category (sometimes called an abstract category to distinguish it from a concrete category ) is a collection of "objects" that ...
In linguistics, a collective noun is a word referring to a collection of things taken as a whole. Most collective nouns in everyday speech are not specific to one kind of thing. [1] For example, the collective noun "group" can be applied to people ("a group of people"), or dogs ("a group of dogs"), or objects ("a group of stones").
The English language has a number of words that denote specific or approximate quantities that are themselves not numbers. [1] Along with numerals, and special-purpose words like some, any, much, more, every, and all, they are Quantifiers. Quantifiers are a kind of determiner and occur in many constructions with other determiners, like articles ...
Every set is a projective object in Set (assuming the axiom of choice). The finitely presentable objects in Set are the finite sets. Since every set is a direct limit of its finite subsets, the category Set is a locally finitely presentable category. If C is an arbitrary category, the contravariant functors from C to Set are often an important ...
Collectors and dealers may use the word vintage to describe older collectables that are too young to be called antiques, [3] including Art Deco and Art Nouveau items, Carnival and Depression glass, etc. Items which were once everyday objects but may now be collectable, as almost all examples produced have been destroyed or discarded, are called ...
The entry on the word 'compendious' in the Online Etymology Dictionary says "concise, abridged but comprehensive", "concise compilation comprising the general principles or leading points of a longer 'system or work '". Its etymology comes from a Medieval Latin use (com+pendere), literally meaning to weigh together.
A library of things is any collection of objects loaned, and any organization that practices such loaning. Objects often include kitchen appliances, tools, gardening equipment and seeds, [1] electronics, [2] toys and games, art, [3] science kits, craft supplies, musical instruments, and recreational equipment such as sports and outdoors gear. [4]