src/HOL/Extraction.thy
changeset 58112 8081087096ad
parent 55642 63beb38e9258
child 58153 ca7ea280e906
     1.1 --- a/src/HOL/Extraction.thy	Mon Sep 01 16:17:46 2014 +0200
     1.2 +++ b/src/HOL/Extraction.thy	Mon Sep 01 16:17:46 2014 +0200
     1.3 @@ -5,7 +5,7 @@
     1.4  header {* Program extraction for HOL *}
     1.5  
     1.6  theory Extraction
     1.7 -imports Datatype Option
     1.8 +imports Option
     1.9  begin
    1.10  
    1.11  ML_file "Tools/rewrite_hol_proof.ML"