Is the product $$ \prod_{i\in I}R_i $$ of a family $(R_i)_{i\in I}$ of Jacobson rings a Jacobson ring?
(Here "ring" means "commutative ring with one".)
Is the product $$ \prod_{i\in I}R_i $$ of a family $(R_i)_{i\in I}$ of Jacobson rings a Jacobson ring?
(Here "ring" means "commutative ring with one".)
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