Canonical Map
A function f mapping a set X->X/R (X modulo R), where R is an equivalence relation in X, is called a canonical map.
See also
Canonical, Equivalence Relation, Reflexive SpaceThis entry contributed by Harold Sultan
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References
Halmos, P. R. Naive Set Theory. New York: Springer, p. 32, 1998.Referenced on Wolfram|Alpha
Canonical MapCite this as:
Sultan, Harold. "Canonical Map." From MathWorld--A Wolfram Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/CanonicalMap.html