Theorems · Definition · general topology
Filter.Tendsto
{α : Type u_1} → {β : Type u_2} → (α → β) → Filter α → Filter β → PropFilter.Tendsto is the generic "limit of a function" predicate.
Tendsto f l₁ l₂ asserts that for every l₂ neighborhood a,
the f-preimage of a is an l₁ neighborhood.
- Defined in
- Mathlib.Order.Filter.Defs
- Cited by
- 3,814 results in Mathlib
- Foundations
- Depth 13 from the axioms, rests on 73 definitions · uses propext, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites2
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Filterstatement and proof · cited by 8,121
- Filter.mapproof · cited by 819
Cited by3,924
Results whose statement or proof uses this declaration.
- ContinuousAtproof · cited by 697
- Filter.Tendsto.compstatement and proof · cited by 560
- HasSumproof · cited by 518
- ContinuousWithinAtproof · cited by 512
- UniformContinuousproof · cited by 410
- MeasureTheory.StronglyMeasurableproof · cited by 363
- tendsto_const_nhdsstatement · cited by 330
- Continuous.tendstostatement · cited by 206
- Filter.tendsto_idstatement · cited by 180
- Filter.Tendsto.eventuallystatement and proof · cited by 174
- HasProdproof · cited by 157
- Filter.Tendsto.congr'statement and proof · cited by 154
Showing the 200 most cited of 3,924.