Theorems · Theorem · real analysis
Real.hasStrictDerivAt_cos
∀ (x : ℝ), HasStrictDerivAt Real.cos (-Real.sin x) x
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 202 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Realstatement and proof · cited by 25,697
- Complex.ofRealproof · cited by 1,654
- Real.cosstatement · cited by 424
- Real.sinstatement · cited by 389
- HasStrictDerivAtstatement · cited by 163
- HasStrictDerivAt.real_of_complexproof · cited by 6
- Complex.hasStrictDerivAt_cosproof · cited by 5
Cited by2
Results whose statement or proof uses this declaration.
- HasStrictFDerivAt.cosproof · cited by 1
- HasStrictDerivAt.cosproof · cited by 0