1 files changed, 27 insertions, 26 deletions
diff --git a/vikalpa/prelude.scm b/vikalpa/prelude.scm
index 176983c..201e93d 100644
--- a/vikalpa/prelude.scm
+++ b/vikalpa/prelude.scm
@@ -163,34 +163,35 @@
 
 (define-system prelude (prelude/measure/natural)
   (define-proof inexact?
-    (((2) if-nest)
-     (() if-same)))
+    ((rewrite (2) if-nest)
+     (rewrite () if-same)))
   (define-proof inexact-predicate
-    (((1) inexact?)
-     (() if-not)
-     ((3 1) inexact?)
-     ((3 1 1) equal-if-false)
-     ((3) (eval))
-     (() if-same)))
+    ((rewrite (1) inexact?)
+     (rewrite () if-not)
+     (rewrite (3 1) inexact?)
+     (rewrite (3 1 1) equal-if-false)
+     (eval (3))
+     (rewrite () if-same)))
   (define-proof positive?
-    (((2 1 1) (eval))
-     ((2 1) if-true)
-     ((2) if-nest)
-     (() if-same)))
+    ((eval (2 1 1))
+     (rewrite (2 1) if-true)
+     (rewrite (2) if-nest)
+     (rewrite () if-same)))
   (define-proof positive-predicate
-    (((1) positive?)
-     ((2 1) positive?)
-     ((2 1) less-than-predicate)
-     ((2) (eval))
-     (() if-same)))
+    ((rewrite (1) positive?)
+     (rewrite (2 1) positive?)
+     (rewrite (2 1) less-than-predicate)
+     (eval (2))
+     (rewrite () if-same)))
   (define-proof negative?
-    (((2 1) if-nest)
-     ((2 1) (eval))
-     ((2) if-true)
-     (() if-same)))
+    ((rewrite (2 1) if-nest)
+     (eval (2 1))
+     (rewrite (2) if-true)
+     (rewrite () if-same)))
   (define-proof negative-predicate
-    (((1) negative?)
-     ((2 1) negative?)
-     ((2 1) less-than-predicate)
-     ((2) (eval))
-     (() if-same))))
+    ((rewrite (1) negative?)
+     (rewrite (2 1) negative?)
+     (rewrite (2 1) less-than-predicate)
+     (eval (2))
+     (rewrite () if-same))))
+