Question: 8 . 1 3 . A ring R is called a boolean ring if a 2 = a for all ainR. ( 1 ii )

8.13. A ring R is called a boolean ring if a2=a for all ainR.
(1ii)(c) Prove that if R is boolean, then 2a=0 for all ainR.
(iv (d) Prove that any boolean ring is commutative.
8.13. A ring R is called a boolean ring if a2=a

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