IMPORTANT CHANGE: declares class "term". Previously LK (incorrectly)
provided HIGHER-ORDER logic
--- a/src/Sequents/LK.thy Tue Apr 20 14:36:19 1999 +0200
+++ b/src/Sequents/LK.thy Tue Apr 20 14:38:17 1999 +0200
@@ -11,6 +11,11 @@
LK = Sequents +
+classes
+ term < logic
+
+default
+ term
consts