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A mathematical object is an abstract concept arising in mathematics. [1] Typically, a mathematical object can be a value that can be assigned to a symbol, and therefore can be involved in formulas.
In the mathematical field of order theory, an element a of a partially ordered set with least element 0 is an atom if 0 < a and there is no x such that 0 < x < a. Equivalently, one may define an atom to be an element that is minimal among the non-zero elements, or alternatively an element that covers the least element 0 .
If an atom has more electrons than protons, then it has an overall negative charge and is called a negative ion (or anion). Conversely, if it has more protons than electrons, it has a positive charge and is called a positive ion (or cation). The electrons of an atom are attracted to the protons in an atomic nucleus by the electromagnetic force.
The chemical properties of an atom are mostly determined by the configuration of electrons that orbit the atom's heavy nucleus. The electron configuration is determined by the charge of the nucleus, which is determined by the number of protons, or atomic number. The number of neutrons is the neutron number. Neutrons do not affect the electron ...
An atomic formula or atom is simply a predicate applied to a tuple of terms; that is, an atomic formula is a formula of the form P (t 1,…, t n) for P a predicate, and the t n terms. All other well-formed formulae are obtained by composing atoms with logical connectives and quantifiers. For example, the formula ∀x. P (x) ∧ ∃y. Q (y, f (x ...
Satu nusa Satu bangsa Satu bahasa kita Tanah air Pasti jaya Untuk s'lama-lamanya Reff : Indonesia pusaka Indonesia tercinta Nusa bangsa Dan Bahasa Kita bela bersama One Native Land One Nation Our language is one The Motherland Will be Glorious For Forever and ever Reff : The Sacred Indonesia The Beloved Indonesia Native land, nation and language
Neutron capture is a nuclear reaction in which an atomic nucleus and one or more neutrons collide and merge to form a heavier nucleus. [1] Since neutrons have no electric charge, they can enter a nucleus more easily than positively charged protons, which are repelled electrostatically.
The estate was built as a country residence for Richard John Uniacke, Nova Scotia's Attorney-General during the War of 1812.Located along the "Post Road", the original road between Halifax and Windsor, the site was, according to Uniacke's s family, selected in 1776 while Uniacke being taken to Halifax in chains to face a treason trial for siding with the rebels in the Battle of Fort Cumberland.