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Where an object does not inherently have such characteristics , the assignment of a top, bottom, and the like, is temporary and contingent. "If the reference object doesn't have an intrinsic orientation, or its intrinsic orientation isn't used for establishing the frame of reference, factors of the situational context determine the reference ...
Many shapes have metaphorical names, i.e., their names are metaphors: these shapes are named after a most common object that has it. For example, "U-shape" is a shape that resembles the letter U, a bell-shaped curve has the shape of the vertical cross section of a bell, etc.
Volcanic group – Collection of related volcanoes or volcanic landforms; Volcanic island – Island of volcanic origin; Volcanic plateau – Plateau produced by volcanic activity; Volcanic plug – Volcanic object created when magma hardens within a vent on an active volcano; Volcano – Rupture in a planet's crust where material escapes
An object behaves pathologically (or, somewhat more broadly used, in a degenerated way) if it either fails to conform to the generic behavior of such objects, fails to satisfy certain context-dependent regularity properties, or simply disobeys mathematical intuition. In many occasions, these can be and often are contradictory requirements ...
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 mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed and order matters. Like a set, it contains members (also called elements, or terms). The number of elements (possibly infinite) is called the length of the sequence. Unlike a set, the same elements can appear multiple times at different positions ...
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 ...
The earliest pictorial record of a natural history cabinet is the engraving in Ferrante Imperato's Dell'Historia Naturale (Naples 1599) (illustration).It serves to authenticate its author's credibility as a source of natural history information, by showing his open bookcases (at the right), in which many volumes are stored lying down and stacked, in the medieval fashion, or with their spines ...