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• For a long time, elements ( classical element) were believed (by the Pythagoreans and alchemists for example) to be the building blocks of all matter in the universe. Similarly, Chinese Taoism holds that the universe is based around Five Elements. For ritual purposes the neopagan religion of Wicca generally utilizes the classical elements, including the fifth, spirit ( akasha).
• In chemistry, an element ( chemical element) is material that consists of atoms with the same number of protons in the nucleus (see also: Periodic table).
• In electronicsElectronics is the study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. The pure study of such devices is considered as a bra, an elementAn electric circuit, or electrical network, consists of electrical elements or components connected by conductors. Elements include devices (such as an inductor, resistor, capacitor, conductor, line, or cathode ray tube) with terminals at which it may be ( electrical elementAn electric circuit, or electrical network, consists of electrical elements or components connected by conductors. Elements include devices (such as an inductor, resistor, capacitor, conductor, line, or cathode ray tube) with terminals at which it may be) is any device (such as an inductorAn inductor is a passive electrical device that stores energy in a magnetic field, typically by combining the effects of many loops of electric current. Physics of the inductor Construction An inductor is usually constructed as a coil of conducting materi, resistorAn ideal resistor is a component with an electrical resistance that remains constant regardless of the applied voltage or current flowing through the device. While "real world" resistors cannot attain this perfect goal, they are designed to present little, capacitorA capacitor (historically known as a "condenser") is a device that stores energy in the electric field established between a pair of conductors on which equal but opposite electric charges have been impressed. Historically, capacitors have taken the form, conductor, line, or cathode ray tube) with terminals at which it may be connected directly with other devices. It can also mean a antenna radiator (either parasitic or active). In circuitry, it can be used to specify a portion of a integrated circuit that contributes directly to the IC's operation.
• In Morse code, an element is the dot or dash.
• In mathematics, an element is a member of a set or class.
• In XML, an element is a particular kind of grammatical fragment of an xml document. See W3C's Logical Structures (external link).
• The mathematical treatise, Elements ( Euclid's Elements) is a mathematical treatise on geometry by Euclid.
• " The Elements" is a song by Tom Lehrer.

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Elementary group theoryGroup theory First Theorems about Groups A group G ) is usually defined as: G is a set and is an associative binary operation on G obeying the following rules (or axioms): :A1. G ) has closure. That is, if a and b are in G then a ''b is in G :A2. The oper ElementGenerally, an element is a basic part that is the foundation of something. For a long time, elements classical element were believed (by the Pythagoreans and alchemists for example) to be the building blocks of all matter in the universe. Similarly, Chine Elementary algebraAlgebra Elementary algebra is the most basic form of algebra taught to students who are presumed to have no knowledge of mathematics beyond the basic principles of arithmetic. While in arithmetic only numbers and their arithmetical operations (such as +, Elementary particleIn particle physics, an elementary particle is a particle of which other, larger particles are composed. For example, atoms are made up of smaller particles known as electrons, protons, and neutrons. The proton and neutron, in turn, are composed of more e Elementary eventIn probability theory, an elementary event or atomic event is a subset of a sample space that contains only one element. It is important to note that an elementary event is still a set containing an element of the sample space, not that element itself. Element naming controversyThe names for the chemical elements 104 to 108 have been the subject of a major controversy starting in the 1960s which was only finally resolved in 1997. At issue was the convention that elements are named by their discoverers which led to controversy wh Elementary charge Elements of the Philosophy of Right Elementary matrix transformations Elemental Éléments de géométrie algébrique Elementary, Dear Data ELEMENTARY Element (mathematics) Elements (album)