Commutative ring
Concept history
A revision trail for this concept page.
Revision 829
8/2/2026, 7:40:35 AM · Ancient Tree
Concept edited
Recorded titleCommutative ring
Recorded typeDefinition
Compare with revision 8272 changed lines
1
A commutative ring $(R,+,\times)$ is a [[Ring|ring]] such that the multiplicative law $\times$ is [[commutative|commutative]], hence :2
$$3
\forall x,y\in R, x\times y=y\times x3
\forall x,y\in R, \;x\times y=y\times x4
$$Revision 827
8/2/2026, 7:31:44 AM · Sequoia
Concept edited
Compare with revision 2165 changed lines
1
A commutative ring is a [[Ring|ring]] such that...1
A commutative ring $(R,+,\times)$ is a [[Ring|ring]] such that the multiplicative law $\times$ is [[commutative|commutative]], hence :2
$$3
\forall x,y\in R, x\times y=y\times x4
$$Revision 216
7/3/2026, 6:41:44 PM · Ancient Tree
Concept created
A commutative ring is a [[Ring|ring]] such that...