src/HOL/Tools/res_axioms.ML
changeset 15495 50fde6f04e4c
parent 15390 87f78411f7c9
child 15499 419dc5ffe8bc
--- a/src/HOL/Tools/res_axioms.ML	Thu Feb 03 04:09:52 2005 +0100
+++ b/src/HOL/Tools/res_axioms.ML	Thu Feb 03 16:06:19 2005 +0100
@@ -232,19 +232,9 @@
     end;
 
 
-fun isa_cls thm = 
-    let val thm' = skolem_axiom thm 
-    in
-	map standard (make_clauses [thm'])
-    end;
-
+fun isa_cls thm = map zero_var_indexes (make_clauses [skolem_axiom thm])
 
-fun cnf_elim thm = 
-    let val thm' = transform_elim thm;
-    in
-	isa_cls thm'
-    end;
-
+fun cnf_elim thm = isa_cls (transform_elim thm);
 
 val cnf_intro = isa_cls;
 val cnf_rule = isa_cls;