Theorems · Theorem · general topology
Filter.mem_iSup
∀ {α : Type u} {ι : Sort x} {x : Set α} {f : ι → Filter α}, x ∈ iSup f ↔ ∀ (i : ι), x ∈ f i- Defined in
- Mathlib.Order.Filter.Basic
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 64 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.
- Setstatement and proof · cited by 53,352
- Filterstatement and proof · cited by 8,121
- iSupstatement · cited by 2,415
- Filter.setsproof · cited by 56
- Filter.iSup_sets_eqproof · cited by 1
Cited by3
Results whose statement or proof uses this declaration.
- MeasureTheory.Measure.ae_sum_eqproof · cited by 2
- Filter.ker_iSupproof · cited by 2
- Filter.eventually_iSupproof · cited by 1