Mathlib Map

Theorems · Theorem · general topology

Filter.exists_seq_tendsto

∀ {α : Type u_1} (f : Filter α) [f.IsCountablyGenerated] [f.NeBot], ∃ x, Filter.Tendsto x Filter.atTop f

If f is a nontrivial countably generated filter, then there exists a sequence that converges to f.

Defined in
Mathlib.Order.Filter.AtTopBot.CountablyGenerated
Cited by
21 results in Mathlib
Foundations
Depth 65 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Filter.IsCountablyGeneratedFilter.NeBot

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

stronglyMeasurable_of_tendsto · cited by 12stronglyMeasurable_of_ten…aestronglyMeasurable_of_tendsto_ae · cited by 9aestronglyMeasurable_of_t…aemeasurable_of_tendsto_metrizable_ae · cited by 7aemeasurable_of_tendsto_m…Filter.tendsto_iff_seq_tendsto · cited by 5Filter.tendsto_iff_seq_te…ENNReal.measurable_of_tendsto' · cited by 4ENNReal.measurable_of_ten…Filter.exists_seq_monotone_tendsto_atTop_atTop · cited by 3Filter.exists_seq_monoton…MeasureTheory.Lp.eLpNorm_le_of_ae_tendsto · cited by 3Lp.eLpNorm_le_of_ae_tends…isCountablyCompact_iff_seq_clusterPt · cited by 2isCountablyCompact_iff_se…ClusterPt.exists_seq_tendsto · cited by 2ClusterPt.exists_seq_tend…Bornology.IsVonNBounded.extend_scalars · cited by 2IsVonNBounded.extend_scal…measurableSet_bddAbove_range · cited by 2measurableSet_bddAbove_ra…MeasureTheory.measurable_stoppedValue · cited by 2MeasureTheory.measurable_…MeasureTheory.TendstoInMeasure.exists_seq_tendstoInMeasure_atTop · cited by 1TendstoInMeasure.exists_s…Filter.exists_seq_comp_tendsto · cited by 1Filter.exists_seq_comp_te…mem_tangentConeAt_iff_exists_seq · cited by 1mem_tangentConeAt_iff_exi…Set · cited by 53352SetFilter · cited by 8121FilterFilter.Tendsto · cited by 3814Filter.TendstoFilter.atTop · cited by 2405Filter.atTopFilter.NeBot · cited by 853Filter.NeBotFilter.IsCountablyGenerated · cited by 220Filter.IsCountablyGenerat…Filter.HasAntitoneBasis · cited by 43Filter.HasAntitoneBasisFilter.nonempty_of_mem · cited by 36Filter.nonempty_of_memFilter.exists_antitone_basis · cited by 10Filter.exists_antitone_ba…Filter.HasAntitoneBasis.mem · cited by 6HasAntitoneBasis.memFilter.HasAntitoneBasis.tendsto · cited by 2HasAntitoneBasis.tendstoFilter.exists_seq_tendstoCITED BYCITES

Cites11

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by21

Results whose statement or proof uses this declaration.