--- a/src/HOL/ex/Cubic_Quartic.thy Tue Feb 23 15:37:18 2016 +0100 +++ b/src/HOL/ex/Cubic_Quartic.thy Tue Feb 23 16:25:08 2016 +0100 @@ -142,4 +142,4 @@ apply algebra done -end \ No newline at end of file +end