prove that $\mathbb{C}$ and $\mathbb{R}$ are not isomorphic as rings
My guess is that the proof for this has something to do with the fact that $\sqrt{-1}\in\mathbb{C}$ cannot be mapped to $\mathbb{R}$.
prove that $\mathbb{C}$ and $\mathbb{R}$ are not isomorphic as rings
My guess is that the proof for this has something to do with the fact that $\sqrt{-1}\in\mathbb{C}$ cannot be mapped to $\mathbb{R}$.