diff --git a/trans.scm b/trans.scm
index 93b10bc7..f952e338 100644
--- a/trans.scm
+++ b/trans.scm
@@ -163,16 +163,20 @@
     (let ((kth (list-tail lst k)))
       (set-car! kth obj)))
   (define (reverse lst)   (foldl cons '() lst))
+  (define (boolean=? b1 b2 . bs)
+    (Cyc-obj=? boolean? b1 (cons b2 bs)))
   (define (symbol=? sym1 sym2 . syms)
+    (Cyc-obj=? symbol? sym1 (cons sym2 syms)))
+  (define (Cyc-obj=? type? obj objs)
     (and
-      (eq? sym1 sym2)
+      (type? obj)
       (call/cc
         (lambda (return)
           (for-each 
-            (lambda (s)
-              (if (not (eq? s sym1))
+            (lambda (o)
+              (if (not (eq? o obj))
                 (return #f)))
-            syms)
+            objs)
             #t))))
   (define (error msg . args)
     (raise (cons msg args)))