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--- status: Draft
--- author(s): Gregory G. Smith
--- notes:
document {
Key => {isCommutative,(isCommutative,Ring)},
Headline => "whether a ring is commutative",
Usage => "isCommutative R",
Inputs => {
"R" => Ring
},
Outputs => {
Boolean => {TO "true", " if the ", TO2("Ring", "ring"), " ", TT "R", " is commutative and ",
TO "false", " otherwise"}
},
EXAMPLE {
"isCommutative(QQ[x,y])",
"isCommutative(QQ[x,y, SkewCommutative => true])",
"isCommutative(QQ[x,dx, WeylAlgebra => {x => dx}])"
},
SeeAlso => {WeylAlgebra, SkewCommutative}
}
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