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  3. if r is a p.i.d. then an r-module q is injective i

If R is a P.I.D. then an R-module Q is injective if and only if rQ=Q for...

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Advance Math

IfR is a P.I.D. then an R-module Q is injective if and only if rQ=Qfor every nonzero r in R.

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