changeset 70643 | 93a7a85de312 |
parent 70642 | de9c4ed2d5df |
child 70802 | 160eaf566bcb |
--- a/src/HOL/Analysis/Brouwer_Fixpoint.thy Wed Sep 04 15:27:04 2019 +0100 +++ b/src/HOL/Analysis/Brouwer_Fixpoint.thy Wed Sep 04 16:34:45 2019 +0100 @@ -15,11 +15,7 @@ section \<open>Brouwer's Fixed Point Theorem\<close> theory Brouwer_Fixpoint - imports - Path_Connected - Homeomorphism - Continuous_Extension - Derivative + imports Homeomorphism Derivative begin subsection \<open>Retractions\<close>