BookProof.LimitCircleExample.hasDerivAt_lcLog'
ProvedBookProof.LimitCircleExample.hasDerivAt_lcLog_primetheoremstimepiece
BookProof.LimitCircleExample.hasDerivAt_lcLog'
Preamble
-- Generated from ChapterLimitCircleExample.lean — theorem BookProof.LimitCircleExample.hasDerivAt_lcLog' import Definitions.Def_ChapterFarisLavine import Definitions.Def_ChapterScalaronCoreEsa import Definitions.Def_ChapterScalaronWallEsa import Definitions.Def_ChapterWallDeficiencyObstruction import Mathlib import Definitions.Def_ChapterLimitCircleExample open BookProof.LimitCircleExample open MeasureTheory Real open BookProof.FarisLavine BookProof.ScalaronEsa BookProof.ScalaronWallEsa open BookProof.WallDeficiencyObstruction noncomputable section
Formal statement
theorem BookProof.LimitCircleExample.hasDerivAt_lcLog_prime (x : ℝ) :
HasDerivAt lcLog' (((lcP'' x : ℝ) : ℂ) + Complex.I * ((-x : ℝ) : ℂ)) x := by sorry