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# Discrete mathematics/Related Articles

From Citizendium

*See also changes related to Discrete mathematics, or pages that link to Discrete mathematics or to this page or whose text contains "Discrete mathematics".*

## Parent topics

- Mathematics [r]: The study of quantities, structures, their relations, and changes thereof.
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## Subtopics

- Combinatorics [r]: Branch of mathematics concerning itself, at the elementary level, with counting things.
^{[e]} - Graph theory [r]: Field of mathematics studying graphs, which consist of nodes and arcs joining the nodes.
^{[e]} - Cryptography [r]: A field at the intersection of mathematics and computer science that is concerned with the security of information, typically the confidentiality, integrity and authenticity of some message.
^{[e]} - Number theory [r]: The study of integers and relations between them.
^{[e]} - Set theory [r]: Mathematical theory that models collections of (mathematical) objects and studies their properties.
^{[e]} - Mathematical logic [r]:
*Add brief definition or description*