Theorems · Definition · global analysis
LineDifferentiableWithinAt
(𝕜 : Type u_1) →
[inst : NontriviallyNormedField 𝕜] →
{F : Type u_2} →
[inst_1 : NormedAddCommGroup F] →
[NormedSpace 𝕜 F] → {E : Type u_3} → [inst_3 : AddCommGroup E] → [Module 𝕜 E] → (E → F) → Set E → E → E → Propf is line-differentiable at the point x in the direction v in the set s if there
exists f' such that f (x + t v) = f x + t • f' + o (t) when t tends to 0 and x + t v ∈ s.
- Cited by
- 19 results in Mathlib
- Foundations
- Depth 104 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
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
- Modulestatement and proof · cited by 20,661
- NormedAddCommGroupstatement and proof · cited by 15,752
- AddCommGroupstatement and proof · cited by 12,871
- NormedSpacestatement and proof · cited by 12,499
- NontriviallyNormedFieldstatement and proof · cited by 8,742
- Set.preimageproof · cited by 4,946
- DifferentiableWithinAtproof · cited by 453
Cited by19
Results whose statement or proof uses this declaration.
- LineDifferentiableWithinAt.hasLineDerivWithinAtstatement and proof · cited by 9
- HasLineDerivWithinAt.lineDifferentiableWithinAtstatement · cited by 7
- IsExtrOn.lineDerivWithin_eq_zeroproof · cited by 2
- LineDifferentiableWithinAt.congr_monostatement and proof · cited by 1
- LineDifferentiableWithinAt.smulstatement and proof · cited by 1
- Filter.EventuallyEq.lineDifferentiableWithinAt_iffstatement and proof · cited by 1
- lineDerivWithin_zero_of_not_lineDifferentiableWithinAtstatement and proof · cited by 1
- LineDifferentiableWithinAt.congr_of_eventuallyEqstatement and proof · cited by 0
- LineDifferentiableWithinAt.lineDifferentiableAtstatement and proof · cited by 0
- LineDifferentiableWithinAt.monostatement and proof · cited by 0
- LineDifferentiableWithinAt.mono_of_mem_nhdsWithinstatement and proof · cited by 0
- Filter.EventuallyEq.lineDifferentiableWithinAt_iff_of_memstatement · cited by 0