Complete the argument outlined after Definitions 18.12 to show that isomorphism gives an equivalence relation on a
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Complete the argument outlined after Definitions 18.12 to show that isomorphism gives an equivalence relation on a collection of rings.
Data from in Definition 18.12
An isomorphism ∅ : R → R' from a ring R to a ring R' is a homomorphism that is one to one and onto R'. The rings R and R' are then isomorphic.
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