--- a/src/HOL/Isar_examples/ExprCompiler.thy Thu Jul 08 18:37:54 1999 +0200
+++ b/src/HOL/Isar_examples/ExprCompiler.thy Thu Jul 08 18:39:08 1999 +0200
@@ -109,9 +109,9 @@
show "??P (x # xs)" (is "??Q x");
proof (induct ??Q x type: instr);
fix val; show "??Q (Const val)"; by brute_force;
- next;
+ next;
fix adr; show "??Q (Load adr)"; by brute_force;
- next;
+ next;
fix fun; show "??Q (Apply fun)"; by brute_force;
qed;
qed;
@@ -119,11 +119,10 @@
lemma exec_comp:
"ALL stack. exec (comp e) stack env = eval e env # stack" (is "??P e");
proof (induct ??P e type: expr);
-
fix adr; show "??P (Variable adr)"; by brute_force;
- next;
+next;
fix val; show "??P (Constant val)"; by brute_force;
- next;
+next;
fix fun e1 e2; assume "??P e1" "??P e2"; show "??P (Binop fun e1 e2)";
by (brute_force simp add: exec_append);
qed;