Theorems · Theorem · real analysis
ContDiffWithinAt.log
∀ {E : Type u_1} [inst : NormedAddCommGroup E] [inst_1 : NormedSpace ℝ E] {f : E → ℝ} {x : E} {s : Set E}
{n : WithTop ℕ∞}, ContDiffWithinAt ℝ n f s x → f x ≠ 0 → ContDiffWithinAt ℝ n (fun x => Real.log (f x)) s x- Cited by
- 1 results in Mathlib
- Foundations
- Depth 206 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
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
- Realstatement and proof · cited by 25,697
- NormedAddCommGroupstatement and proof · cited by 15,752
- NormedSpacestatement and proof · cited by 12,499
- ENatstatement and proof · cited by 4,985
- WithTopstatement and proof · cited by 3,754
- Real.logstatement · cited by 939
- ContDiffWithinAtstatement and proof · cited by 283
- ContDiffAt.comp_contDiffWithinAtproof · cited by 28
- Real.contDiffAt_logproof · cited by 3
Cited by1
Results whose statement or proof uses this declaration.
- ContDiffOn.logproof · cited by 0