Mathlib Changelog
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2025-02-15 11:39
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feat: add Set.bi{Union,Inter}_{le,ge} (
#21884
) From sphere-eversion
Estimated changes
Modified
Mathlib/Data/Nat/Lattice.lean
Modified
Mathlib/Data/Set/Lattice.lean
added
theorem
Set.biInter_ge
added
theorem
Set.biInter_le
added
theorem
Set.biUnion_ge
added
theorem
Set.biUnion_le
Modified
Mathlib/Order/CompleteLattice.lean
added
theorem
biInf_ge_eq_inf
added
theorem
biInf_le_eq_inf
added
theorem
biSup_ge_eq_sup
added
theorem
biSup_le_eq_sup