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lemma proved term proof

deriv_Jlog_zero

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formal statement (Lean)

 194@[simp] lemma deriv_Jlog_zero : deriv Jlog 0 = 0 := by

proof body

Term-mode proof.

 195  classical
 196  simpa using (hasDerivAt_Jlog_zero).deriv
 197

depends on (4)

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