A ringoid is a set with two binary operators, conventionally denoted addition () and multiplication (), where distributes over left and right:
and
A ringoid can be empty.
A ringoid is a set with two binary operators, conventionally denoted addition () and multiplication (), where distributes over left and right:
and
A ringoid can be empty.
Weisstein, Eric W. "Ringoid." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Ringoid.html