author | blanchet |
Sat, 19 Dec 2015 20:02:51 +0100 | |
changeset 61859 | edceda92a435 |
parent 61858 | 3f494c048142 |
child 61860 | 2ce3d12015b3 |
--- a/src/HOL/Hilbert_Choice.thy Sat Dec 19 20:02:51 2015 +0100 +++ b/src/HOL/Hilbert_Choice.thy Sat Dec 19 20:02:51 2015 +0100 @@ -6,7 +6,7 @@ section \<open>Hilbert's Epsilon-Operator and the Axiom of Choice\<close> theory Hilbert_Choice -imports Nat Wellfounded +imports Wellfounded keywords "specification" :: thy_goal begin