Commit 2022-12-04 09:54 6b766f92

feat(measure_theory/measure/measure_space): In sigma finite measure spaces, disjoint unions can have at most countably many positive measure parts. (#15492) Main addition of this PR: In sigma finite measure spaces, disjoint unions can have at most countably many positive measure parts. Also in this PR: A disjoint union whose measure is finite has at most finitely many parts of measure greater than any positive constant.