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Catalan number — For names of numbers in Catalan, see List of numbers in various languages#Occitano Romance. In combinatorial mathematics, the Catalan numbers form a sequence of natural numbers that occur in various counting problems, often involving recursively… … Wikipedia
Binary tree — Not to be confused with B tree. A simple binary tree of size 9 and height 3, with a root node whose value is 2. The above tree is unbalanced and not sorted. In computer science, a binary tree is a tree data structure in which each node has at… … Wikipedia
painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in … Universalium
The Age of Reason — The Age of Reason: Being an Investigation of True and Fabulous Theology , a deistic treatise written by eighteenth century British radical and American revolutionary Thomas Paine, critiques institutionalized religion and challenges the inerrancy… … Wikipedia
Free group — In mathematics, a group G is called free if there is a subset S of G such that any element of G can be written in one and only one way as a product of finitely many elements of S and their inverses (disregarding trivial variations such as st 1 =… … Wikipedia
Plautdietsch language — Plautdietsch Spoken in Argentina, Belize, Bolivia, Brazil, Canada, Germany, Mexico, Paraguay, Peru, Russia, United States, Ukraine, Uruguay Native speakers 260,710 – 318,500 … Wikipedia
Art, Antiques, and Collections — ▪ 2003 Introduction In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting … Universalium
Bible translations (Arabic) — Bible translations into Arabic are known from at least 1,000 years ago, firstly of the Jewish Hebrew Bible (Old Testament), then later also of the Christian New Testament.Medieval JewishIn the 10th century AD Saadia Gaon wrote a Tafsir , an… … Wikipedia
Cavalier — was the name used by Parliamentarians for a Royalist supporter of King Charles I during the English Civil War (1642 ndash;1651). Prince Rupert, commander of much of Charles I s cavalry, is often considered an archetypical Cavalier. [, Manganiello … Wikipedia
Marcus Marius Gratidianus — (died 82 BC) was a praetor and a partisan of the popularist faction led by his uncle Gaius Marius during the Roman Republican civil wars of the 80s. Gratidianus is noted primarily for undergoing a particularly violent death during the Sullan… … Wikipedia
