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( Symmetrical)
Symmetry generally conveys two primary meanings. The first is an imprecise sense of harmonious or aesthetically-pleasing proportionality and balance[citation needed]; such that it reflects beauty or perfection. The second meaning is a precise and well-defined concept of balance or "patterned self-similarity" that can be demonstrated or proved according to the rules of a formal system by geometry, through physics or otherwise. Although the meanings are distinguishable, in some contexts, both meanings of "symmetry" are related and discussed in parallel.[1][2] The "precise" notions of symmetry have various measures and operational definitions. For example, symmetry may be observed This article describes these notions of symmetry from three perspectives. The first is that of mathematics, in which symmetries are defined and categorized precisely. The second perspective describes symmetry as it relates to science and technology. In this context, symmetries underlie some of the most profound results found in modern physics, including aspects of space and time. Finally, a third perspective discusses symmetry in the humanities, covering its rich and varied use in history, architecture, art, and religion.
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