Mathlib Changelog
v4
Changelog
About
Github
Theorem
MeasureTheory.MeasurePreserving.preimage_null
Modification history
2025-04-02 18:47
Mathlib/Dynamics/Ergodic/MeasurePreserving.lean
feat(Ergodic): Radon-Nikodym derivatives of invariant measures (#23462)
Added
MeasureTheory.MeasurePreserving.preimage_null
View on Github →