Mathlib Changelog
v4
Changelog
About
Github
Theorem
Set.symmDiff_union_subset
Modification history
2026-01-26 09:39
Mathlib/Data/Set/SymmDiff.lean
feat: lemmas about `symmDiff` and finite sums (#34410) …
Added
Set.symmDiff_union_subset
View on Github →