doc(Probability/HasLaw): mention MeasurePreserving in the docstring#39608
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EtienneC30 wants to merge 1 commit into
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doc(Probability/HasLaw): mention MeasurePreserving in the docstring#39608EtienneC30 wants to merge 1 commit into
MeasurePreserving in the docstring#39608EtienneC30 wants to merge 1 commit into
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EtienneC30
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May 20, 2026
EtienneC30
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PR summary 1b8f449241Import changes for modified filesNo significant changes to the import graph Import changes for all files
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Maybe you could also add a comment in the docstring of |
jvanwinden
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May 20, 2026
| we often use almost-everywhere equality and only need a.e.-measurability hypotheses. | ||
| However, if one wants to state `HasLaw f μ P` for a certain explicit function `f` that is not | ||
| only `AEMeasurable` but `Measurable`, then one should state `MeasureTheory.MeasurePreserving f P μ` | ||
| instead and rely on lemmas in this file that link the two notions. |
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| instead and rely on lemmas in this file that link the two notions. | |
| instead and rely on `MeasureTheory.MeasurePreserving.hasLaw` and `HasLaw.measurePreserving` to convert between the two notions. |
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There is also MeasureTheory.MeasurePreserving.comp_hasLaw which I think is actually more useful.
| we often use almost-everywhere equality and only need a.e.-measurability hypotheses. | ||
| However, if one wants to state `HasLaw f μ P` for a certain explicit function `f` that is not | ||
| only `AEMeasurable` but `Measurable`, then one should state `MeasureTheory.MeasurePreserving f P μ` | ||
| instead and rely on lemmas in this file that link the two notions. -/ |
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same as above
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| instead and rely on lemmas in this file that link the two notions. -/ | |
| instead and rely on `MeasureTheory.MeasurePreserving.hasLaw` and `HasLaw.measurePreserving` to convert between the two notions. -/ |
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