| changeset 58310 | 91ea607a34d8 |
| parent 58249 | 180f1b3508ed |
| child 58410 | 6d46ad54a2ab |
--- a/src/HOL/IMP/Abs_Int_Den/Abs_Int_den1_ivl.thy Thu Sep 11 19:26:59 2014 +0200 +++ b/src/HOL/IMP/Abs_Int_Den/Abs_Int_den1_ivl.thy Thu Sep 11 19:32:36 2014 +0200 @@ -6,7 +6,7 @@ subsection "Interval Analysis" -datatype_new ivl = I "int option" "int option" +datatype ivl = I "int option" "int option" text{* We assume an important invariant: arithmetic operations are never applied to empty intervals @{term"I (Some i) (Some j)"} with @{term"j <