The base ring of a ring R is the ring from which R was formed. For example, if R is a quotient ring of the form S/I, or if R is a fraction ring of the form frac S, or if R is a polynomial ring over S, then the base ring is S.
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The entire chain of base rings can be obtained under the key baseRings.
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The object baseRing is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/Macaulay2Doc/functions/baseRing-doc.m2:42:0.