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  2. Glossary of mathematical jargon - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    projection. A projection is, roughly, a map from some space or object to another that omits some information on the object or space. For example, R 2 → R , ( x , y ) ↦ x {\displaystyle \mathbb {R} ^ {2}\to \mathbb {R} , (x,y)\mapsto x} is a projection and its restriction to a graph of a function, say, is also a projection.

  3. Remonstrants - Wikipedia

    en.wikipedia.org/wiki/Remonstrants

    The Remonstrants (or the Remonstrant Brotherhood) is a Protestant movement that split from the Dutch Reformed Church in the early 17th century. The early Remonstrants supported Jacobus Arminius , and after his death, continued to maintain his original views called Arminianism against the proponents of Calvinism .

  4. Five Articles of Remonstrance - Wikipedia

    en.wikipedia.org/wiki/Five_articles_of_Remonstrance

    Five Articles of Remonstrance. The Five Articles of Remonstrance or the Remonstrance were theological propositions advanced in 1610 by followers of Jacobus Arminius who had died in 1609, in disagreement with interpretations of the teaching of John Calvin then current in the Dutch Reformed Church. Those who supported them were called "Remonstrants".

  5. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Glossary of mathematical symbols. A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various ...

  6. Retraction (topology) - Wikipedia

    en.wikipedia.org/wiki/Retraction_(topology)

    Retraction (topology) In topology, a branch of mathematics, a retraction is a continuous mapping from a topological space into a subspace that preserves the position of all points in that subspace. [1] The subspace is then called a retract of the original space. A deformation retraction is a mapping that captures the idea of continuously ...

  7. Upper and lower bounds - Wikipedia

    en.wikipedia.org/wiki/Upper_and_lower_bounds

    Upper and lower bounds. A set with upper bounds and its least upper bound. In mathematics, particularly in order theory, an upper bound or majorant[1] of a subset S of some preordered set (K, ≤) is an element of K that is greater than or equal to every element of S. [2][3] Dually, a lower bound or minorant of S is defined to be an element of ...

  8. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. These rules are formalized with a ranking of the operations. The rank of an operation is called its precedence, and an operation with a ...

  9. Arminianism - Wikipedia

    en.wikipedia.org/wiki/Arminianism

    Arminianism is a movement of Protestantism initiated in the early 17th century, based on the theological ideas of the Dutch Reformed theologian Jacobus Arminius and his historic supporters known as Remonstrants. Dutch Arminianism was originally articulated in the Remonstrance (1610), a theological statement submitted to the States General of ...