Abstract base class for commutative rings¶
-
sage.rings.commutative_ring.
is_CommutativeRing
(R)¶ Check to see if
R
is aCommutativeRing
.EXAMPLES:
sage: import sage.rings.commutative_ring doctest:...: DeprecationWarning: the module sage.rings.commutative_ring is deprecated and will be removed See http://trac.sagemath.org/20011 for details. sage: sage.rings.commutative_ring.is_CommutativeRing(ZZ) True