Does $\int_{0}^{1} f(x) \mathrm{d}x $ and $\int_{0}^{1} \mathrm{d}f(x) $ mean the same thing?
Does $\int_{0}^{1} \mathrm{d}f(x) $ has any meaning unless $f$ is a measure?
Any help would be appreciated. Thanks in advance.
2026-03-25 20:35:59.1774470959
Meaning of $\int_{0}^{1} f(x) \mathrm{d}x $ and $\int_{0}^{1} \mathrm{d}f(x) $
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