/usr/share/axiom-20170501/src/algebra/ATCENRL.spad is in axiom-source 20170501-3.
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1 2 3 4 5 6 7 8 9 10 | )abbrev category ATCENRL CentralAttribute
++ Description:
++ Central is true if, given an algebra over a ring R, the image of R
++ is the center of the algebra. For example, the set of members of the
++ algebra which commute with all others is precisely the image of R
++ in the algebra.
CentralAttribute() : Category == SIG where
SIG ==> with nil
|