Theorems · Theorem · functional analysis
hasFDerivWithinAt_iff_isLittleOTVS
∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {E : Type u_2} [inst_1 : AddCommGroup E] [inst_2 : Module 𝕜 E]
[inst_3 : TopologicalSpace E] {F : Type u_3} [inst_4 : AddCommGroup F] [inst_5 : Module 𝕜 F]
[inst_6 : TopologicalSpace F] {f : E → F} {f' : E →L[𝕜] F} {x : E} {s : Set E},
HasFDerivWithinAt f f' s x ↔ (fun x' => f x' - f x - f' (x' - x)) =o[𝕜; nhdsWithin x s] fun x' => x' - x- Defined in
- Mathlib.Analysis.Calculus.FDeriv.Defs
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 164 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites15
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Setstatement and proof · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- Modulestatement and proof · cited by 20,661
- RingHom.idstatement and proof · cited by 18,349
- AddCommGroupstatement and proof · cited by 12,871
- NontriviallyNormedFieldstatement and proof · cited by 8,742
- ContinuousLinearMapstatement and proof · cited by 5,352
- nhdsWithinstatement and proof · cited by 1,912
- Filter.mapproof · cited by 819
- map_subproof · cited by 565
- HasFDerivWithinAtstatement · cited by 356
Cited by4
Results whose statement or proof uses this declaration.
- hasFDerivWithinAt_iff_isLittleOproof · cited by 6
- HasFDerivWithinAt.of_not_accPtproof · cited by 3
- HasFDerivWithinAt.isLittleOTVSproof · cited by 1
- HasFDerivWithinAt.of_isLittleOTVSproof · cited by 0