diff --git a/src/koans/14_recursion.clj b/src/koans/14_recursion.clj
index 0f35a4c..7faee78 100644
--- a/src/koans/14_recursion.clj
+++ b/src/koans/14_recursion.clj
@@ -3,25 +3,32 @@
 
 (defn is-even? [n]
   (if (= n 0)
-    __
-    (___ (is-even? (dec n)))))
+    true
+    (not (is-even? (dec n)))))
 
 (defn is-even-bigint? [n]
   (loop [n   n
          acc true]
     (if (= n 0)
-      __
+      acc
       (recur (dec n) (not acc)))))
 
 (defn recursive-reverse [coll]
-  __)
+  (if (empty? coll)
+  []
+  (conj (recursive-reverse (rest coll)) (first coll)))
+  )
 
 (defn factorial [n]
-  __)
+  (if (zero? n)
+    1
+    (if (false? (= c 1))
+      )
+    ))
 
 (meditations
   "Recursion ends with a base case"
-  (= true (is-even? 0))
+  (= true (is-even? 4))
 
   "And starts by moving toward that base case"
   (= false (is-even? 1))