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1. Quotient Ring

   Linked via "surjective ring homomorphism"

   Relationship to Homomorphisms and Kernels
   The construction of quotient rings is intrinsically linked to ring homomorphisms. The First Isomorphism Theorem for Rings states that if $\phi: R \to S$ is a surjective ring homomorphism, then the kernel of $\phi$, denoted $\text{ker}(\phi)$, is a two-sided ideal of $R$, and the quotient ring $R/\text{ker}(\phi)$ is isomorphic to the image of $\ph…