src/HOL/HOL.ML
changeset 10062 3b819da9c71a
parent 10011 ed5262aee27f
child 10182 5413bcce1482
     1.1 --- a/src/HOL/HOL.ML	Fri Sep 22 16:28:53 2000 +0200
     1.2 +++ b/src/HOL/HOL.ML	Fri Sep 22 17:24:36 2000 +0200
     1.3 @@ -31,6 +31,7 @@
     1.4    val arbitrary_def = arbitrary_def;
     1.5  end;
     1.6  
     1.7 -AddXIs [disjI1, disjI2, ext];
     1.8 +AddXIs [equal_intr_rule, disjI1, disjI2, ext];
     1.9 +AddXEs [ex1_implies_ex];
    1.10  
    1.11  open HOL;