Mathlib Changelog
v4
Changelog
About
Github
Commit
2023-08-20 21:55
38e1b744
View on Github →
feat: easy lemmas about extrema indexed by a union (
#6693
)
Estimated changes
Modified
Mathlib/Data/Set/Lattice.lean
added
theorem
exists_sUnion
added
theorem
forall_sUnion
added
theorem
iInf_sUnion
added
theorem
iSup_sUnion