# HG changeset patch # User wenzelm # Date 934904083 -7200 # Node ID 75cc3a327bd4cbd6f395dce7b456b0f601d06b08 # Parent 6e7b6b8490e0649faa432528b7b50645590a118d intro+; diff -r 6e7b6b8490e0 -r 75cc3a327bd4 src/HOL/Isar_examples/BasicLogic.thy --- a/src/HOL/Isar_examples/BasicLogic.thy Tue Aug 17 17:34:18 1999 +0200 +++ b/src/HOL/Isar_examples/BasicLogic.thy Tue Aug 17 17:34:43 1999 +0200 @@ -27,7 +27,7 @@ qed; lemma K': "A --> B --> A"; -proof single+ -- {* better use sufficient-to-show here \dots *}; +proof intro+; assume A; show A; .; qed;