Given that two functions $f$ and $g$ from $\Bbb R$ to $\Bbb R$, such that $f$ is non-increasing and $g$ is non-decreasing. How does one show that the function $f+g$ is Borel measurable?
2026-03-25 04:38:49.1774413529
Showing that the function $f+g$ is Borel measurable
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