Theorems · Theorem · measure theory
ENNReal.finite_const_le_of_tsum_ne_top
∀ {ι : Type u_4} {a : ι → ENNReal}, ∑' (i : ι), a i ≠ ⊤ → ∀ {ε : ENNReal}, ε ≠ 0 → {i | ε ≤ a i}.FiniteA sum of extended nonnegative reals which is finite can have only finitely many terms above any positive threshold.
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 140 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites16
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- ENNRealstatement and proof · cited by 9,879
- Top.topstatement and proof · cited by 9,680
- Set.Elemproof · cited by 7,166
- Set.ofPredstatement and proof · cited by 6,101
- Set.rangeproof · cited by 4,705
- SummationFilter.unconditionalstatement and proof · cited by 2,068
- Set.Finitestatement and proof · cited by 1,814
- tsumstatement and proof · cited by 1,148
- zero_leproof · cited by 382
- Infiniteproof · cited by 352
- Subtype.val_injectiveproof · cited by 232
- top_uniqueproof · cited by 102
Cited by2
Results whose statement or proof uses this declaration.
- MeasureTheory.Measure.finite_const_le_meas_of_disjoint_iUnion₀proof · cited by 3
- ENNReal.finset_card_const_le_le_of_tsum_leproof · cited by 0