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  2. Combinatorial principles - Wikipedia

    en.wikipedia.org/wiki/Combinatorial_principles

    In proving results in combinatorics several useful combinatorial rules or combinatorial principles are commonly recognized and used. The rule of sum, rule of product, and inclusion–exclusion principle are often used for enumerative purposes. Bijective proofs are utilized to demonstrate that two sets have the same number of elements.

  3. Combinatorics - Wikipedia

    en.wikipedia.org/wiki/Combinatorics

    Combinatorics is an area of mathematics primarily concerned with counting, both as a means and as an end to obtaining results, and certain properties of finite structures.It is closely related to many other areas of mathematics and has many applications ranging from logic to statistical physics and from evolutionary biology to computer science.

  4. Template:Match rules - Wikipedia

    en.wikipedia.org/wiki/Template:Match_rules

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  5. Combinatorial map - Wikipedia

    en.wikipedia.org/wiki/Combinatorial_map

    The concept of a combinatorial map was introduced informally by J. Edmonds for polyhedral surfaces [2] which are planar graphs.It was given its first definite formal expression under the name "Constellations" by A. Jacques [3] [4] but the concept was already extensively used under the name "rotation" by Gerhard Ringel [5] and J.W.T. Youngs in their famous solution of the Heawood map-coloring ...

  6. Combinatorial design - Wikipedia

    en.wikipedia.org/wiki/Combinatorial_design

    Combinatorial designs date to antiquity, with the Lo Shu Square being an early magic square.One of the earliest datable application of combinatorial design is found in India in the book Brhat Samhita by Varahamihira, written around 587 AD, for the purpose of making perfumes using 4 substances selected from 16 different substances using a magic square.

  7. Template:Edit - Wikipedia

    en.wikipedia.org/wiki/Template:Edit

    Displays a link to edit a page. Template parameters [Edit template data] Parameter Description Type Status Page 1 The page to edit Default The current page Example Example Page name suggested Label 2 The link label Default Edit Example Edit this page String optional Section section The section to edit; 0 for the top section; new for a new section Default None (whole page gets edited) Example 0 ...

  8. File:Rules Wing.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Rules_Wing.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  9. Wikipedia:List of guidelines - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:List_of_guidelines

    Edit filter Guidelines on usage and administration of edit filters. Hatnote use Hatnotes are short notes placed at the top of an article or section, and provide links to a possibly sought article, or to a disambiguation page. High-risk templates protection High-risk templates and Lua modules may be fully protected or template protected.