Theorems · Theorem · order theory
iSup_symmDiff_le
∀ {α : Type u} {ι : Sort w} [inst : CompleteBooleanAlgebra α] {f : ι → α} [Nonempty ι] {a : α},
symmDiff (⨆ i, f i) a ≤ ⨆ i, symmDiff (f i) a- Defined in
- Mathlib.Order.CompleteBooleanAlgebra
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 58 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- iSupstatement and proof · cited by 2,415
- symmDiffstatement and proof · cited by 236
- CompleteBooleanAlgebrastatement and proof · cited by 32
- iSup_constproof · cited by 13
- iSup_symmDiff_iSup_leproof · cited by 3
Cited by3
Results whose statement or proof uses this declaration.
- sSup_symmDiff_leproof · cited by 3
- symmDiff_iSup_leproof · cited by 1
- Set.iUnion_symmDiff_subsetproof · cited by 0