--- a/src/HOL/AxClasses/Lattice/LatMorph.ML Mon Nov 03 12:22:43 1997 +0100
+++ b/src/HOL/AxClasses/Lattice/LatMorph.ML Mon Nov 03 12:24:13 1997 +0100
@@ -5,7 +5,7 @@
(** monotone functions vs. "&&"- / "||"-semi-morphisms **)
goalw thy [is_mono_def] "is_mono f = (ALL x y. f (x && y) [= f x && f y)";
- by (safe_tac (!claset));
+ by (safe_tac (claset()));
(*==> (level 1)*)
by (stac le_inf_eq 1);
br conjI 1;
@@ -28,7 +28,7 @@
qed "mono_inf_eq";
goalw thy [is_mono_def] "is_mono f = (ALL x y. f x || f y [= f (x || y))";
- by (safe_tac (!claset));
+ by (safe_tac (claset()));
(*==> (level 1)*)
by (stac ge_sup_eq 1);
br conjI 1;