A comprehensive digital encyclopedia presenting factual, historical, and educational articles supported by reliable sources and structured data. Page: 86

In geometry, a star polyhedron is a polyhedron which has some repetitive quality of nonconvexity giving it a star-like visual quality.…

Timor-Leste, also known as East Timor, officially the Democratic Republic of Timor-Leste, is a country in Southeast Asia. It comprises the eastern half of the island of Timor, the coastal exclave of Oecusse in the island's northwest, and the islands of Atauro and Jaco, for a total land area of 14,95…

Mock combat involves the execution of combative actions without serious intent of harm. Participants can engage in such sparring for ritual, training, recreational or performance reasons. The nature of mock combat can vary from realistic to symbolic. Mock combat can be classified into choreographed …

Propositions are the meanings of declarative sentences, objects of beliefs, and bearers of truth values. They explain how different sentences, like the English "Snow is white" and the German "Schnee ist weiß", can have identical meaning by expressing the same proposition. Similarly, they ground the …

Populus tremuloides is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen. It is commonly called quaking aspen, trembling aspen, American aspen, mountain or golden aspen, trembling poplar, white poplar, and popple, as well as others.…

Vertical position or vertical location is a position along a vertical direction (the plumb line direction) above or below a given vertical datum (a reference level surface, such as mean sea level). Vertical distance or vertical separation is the distance between two vertical positions. Many vertical…

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A diplomat (from Ancient Greek: δίπλωμα, romanized: diploma) is a person appointed by a state, intergovernmental, or nongovernmental institution to conduct diplomacy with one or more other states or international organizations.…

In computational complexity theory, a complexity class is a set of computational problems "of related resource-based complexity". The two most commonly analyzed resources are time and memory.…

Icelandic (/aɪsˈlændɪk/ eyess-LAN-dik; endonym: íslenska, pronounced [ˈi(ː)stlɛnska] , íslensk tunga [ˈi(ː)stlɛnsk ˈtʰuŋka]) is a North Germanic language from the Indo-European language family spoken by about roughly 390,000 people, the vast majority of whom live in Iceland, where it is the national…