Subring (original) (raw)
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Algebra Applied Mathematics Calculus and Analysis Discrete Mathematics Foundations of Mathematics Geometry History and Terminology Number Theory Probability and Statistics Recreational Mathematics Topology
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A subring of a ring 
is a subgroup of 
that is closed under multiplication.
See also
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References
Dummit, D. S. and Foote, R. M. Abstract Algebra, 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, p. 230, 1998.
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Cite this as:
Weisstein, Eric W. "Subring." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Subring.html