Rare card
Unit (ring theory)
- Value
- 50 W
- Attack
- 728
- Defence
- 582
- Players
- 0
In algebra, a unit or invertible element of a ring is an invertible element for the multiplication of the ring. That is, an element u of a ring R is a unit if there exists v in R such that v u = u v = 1 , {\displaystyle vu=uv=1,} where 1 is the multiplicative identity; the element v is unique for…
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