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In addition to the heap property, leftist trees are maintained so the right descendant of each node has the lower s-value. The height-biased leftist tree was invented by Clark Allan Crane. [2] The name comes from the fact that the left subtree is usually taller than the right subtree. A leftist tree is a mergeable heap. When inserting a new ...
Left-wing politics typically involve a concern for those in society whom its adherents perceive as disadvantaged relative to others as well as a belief that there are unjustified inequalities that need to be reduced or abolished [1] through radical means that change the nature of the society they are implemented in. [5] According to emeritus ...
Let T be a node of an ordered tree, and let B denote T's image in the corresponding binary tree. Then B's left child represents T's first child, while the B's right child represents T's next sibling. For example, the ordered tree on the left and the binary tree on the right correspond: An example of converting an n-ary tree to a binary tree
Far-left politics, also known as extreme left politics or left-wing extremism, are politics further to the left on the left–right political spectrum than the standard political left. The term does not have a single, coherent definition; some scholars consider it to be the left of communist parties , while others broaden it to include the left ...
The term is used to define a broad group of people whose political beliefs lean toward the left -- often the far left -- but do not conform with the Democratic Party platform." [80] The BBC notes that, "as their name indicates, Antifa focuses more on fighting far-right ideology than encouraging pro-left policy."
Political ideology in the United States is usually described with the left–right spectrum. Liberalism is the predominant left-leaning ideology and conservatism is the predominant right-leaning ideology. [96] [97] Those who hold beliefs between liberalism and conservatism or a mix of beliefs on this scale are called moderates.
The term ultra-left is rarely used in English. Instead, people tend to speak broadly of left communism as a variant of traditional Marxism.The French equivalent, ultra-gauche [], has a stronger meaning in that language and is used to define a movement that still exists today: a branch of left communism developed by theorists such as Amadeo Bordiga, Otto Rühle, Anton Pannekoek, Herman Gorter ...
On this type of political spectrum, left-wing politics and right-wing politics are often presented as opposed, although a particular individual or group may take a left-wing stance on one matter and a right-wing stance on another; and some stances may overlap and be considered either left-wing or right-wing depending on the ideology. [1]