src/HOL/Record.thy
changeset 58152 6fe60a9a5bad
parent 56732 da3fefcb43c3
child 58310 91ea607a34d8
     1.1 --- a/src/HOL/Record.thy	Wed Sep 03 00:06:23 2014 +0200
     1.2 +++ b/src/HOL/Record.thy	Wed Sep 03 00:06:24 2014 +0200
     1.3 @@ -79,7 +79,7 @@
     1.4  
     1.5  subsection {* Operators and lemmas for types isomorphic to tuples *}
     1.6  
     1.7 -datatype ('a, 'b, 'c) tuple_isomorphism =
     1.8 +datatype_new (dead 'a, dead 'b, dead 'c) tuple_isomorphism =
     1.9    Tuple_Isomorphism "'a \<Rightarrow> 'b \<times> 'c" "'b \<times> 'c \<Rightarrow> 'a"
    1.10  
    1.11  primrec