--- a/src/HOL/IMP/Abs_Int2.thy Thu Aug 09 22:31:04 2012 +0200
+++ b/src/HOL/IMP/Abs_Int2.thy Fri Aug 10 17:17:05 2012 +0200
@@ -238,7 +238,7 @@
have 2: "step' (top c) C \<sqsubseteq> C" by(rule lpfpc_pfp[OF 1])
have 3: "strip (\<gamma>\<^isub>c (step' (top c) C)) = c"
by(simp add: strip_lpfp[OF _ 1])
- have "lfp (step UNIV) c \<le> \<gamma>\<^isub>c (step' (top c) C)"
+ have "lfp c (step UNIV) \<le> \<gamma>\<^isub>c (step' (top c) C)"
proof(rule lfp_lowerbound[simplified,OF 3])
show "step UNIV (\<gamma>\<^isub>c (step' (top c) C)) \<le> \<gamma>\<^isub>c (step' (top c) C)"
proof(rule step_preserves_le[OF _ _ `wt C (vars c)` wt_top])
@@ -246,7 +246,7 @@
show "\<gamma>\<^isub>c (step' (top c) C) \<le> \<gamma>\<^isub>c C" by(rule mono_gamma_c[OF 2])
qed
qed
- from this 2 show "lfp (step UNIV) c \<le> \<gamma>\<^isub>c C"
+ from this 2 show "lfp c (step UNIV) \<le> \<gamma>\<^isub>c C"
by (blast intro: mono_gamma_c order_trans)
qed