--- a/src/HOL/Complex_Analysis/Meromorphic.thy Mon Mar 11 15:07:02 2024 +0000
+++ b/src/HOL/Complex_Analysis/Meromorphic.thy Tue Mar 12 12:11:28 2024 +0000
@@ -59,7 +59,7 @@
shows "(\<lambda>y. \<Prod>x\<in>#I. f x y) has_laurent_expansion (\<Prod>x\<in>#I. F x)"
using assms by (induction I) (auto intro!: laurent_expansion_intros)
-subsection \<open>Remove singular points: remove_sings\<close>
+subsection \<open>Remove singular points\<close>
definition remove_sings :: "(complex \<Rightarrow> complex) \<Rightarrow> complex \<Rightarrow> complex" where
"remove_sings f z = (if \<exists>c. f \<midarrow>z\<rightarrow> c then Lim (at z) f else 0)"