diff --git a/src/koans/04_vectors.clj b/src/koans/04_vectors.clj
index 71970f6..4beb8df 100644
--- a/src/koans/04_vectors.clj
+++ b/src/koans/04_vectors.clj
@@ -3,31 +3,31 @@
 
 (meditations
   "You can use vectors in clojure as array-like structures"
-  (= __ (count [42]))
+  (= 1 (count [42]))
 
   "You can create a vector from a list"
-  (= __ (vec '(1)))
+  (= [1] (vec '(1)))
 
   "Or from some elements"
-  (= __ (vector nil nil))
+  (= [nil nil] (vector nil nil))
 
   "But you can populate it with any number of elements at once"
-  (= [1 __] (vec '(1 2)))
+  (= [1 2 ] (vec '(1 2)))
 
   "Conjoining to a vector is different than to a list"
-  (= __ (conj [111 222] 333))
+  (= [111 222 333] (conj [111 222] 333))
 
   "You can get the first element of a vector like so"
-  (= __ (first [:peanut :butter :and :jelly]))
+  (= :peanut (first [:peanut :butter :and :jelly]))
 
   "And the last in a similar fashion"
-  (= __ (last [:peanut :butter :and :jelly]))
+  (= :jelly (last [:peanut :butter :and :jelly]))
 
   "Or any index if you wish"
-  (= __ (nth [:peanut :butter :and :jelly] 3))
+  (= :jelly (nth [:peanut :butter :and :jelly] 3))
 
   "You can also slice a vector"
-  (= __ (subvec [:peanut :butter :and :jelly] 1 3))
+  (= [:butter :and](subvec [:peanut :butter :and :jelly] 1 3))
 
   "Equality with collections is in terms of values"
-  (= (list 1 2 3) (vector 1 2 __)))
+  (= (list 1 2 3) (vector 1 2 3)))
diff --git a/src/koans/05_sets.clj b/src/koans/05_sets.clj
index a6e631f..930a70f 100644
--- a/src/koans/05_sets.clj
+++ b/src/koans/05_sets.clj
@@ -4,19 +4,19 @@
 
 (meditations
   "You can create a set by converting another collection"
-  (= #{3} (set __))
+  (= #{3} (set [3]))
 
   "Counting them is like counting other collections"
-  (= __ (count #{1 2 3}))
+  (= 3 (count #{1 2 3}))
 
   "Remember that a set is a *mathematical* set"
-  (= __ (set '(1 1 2 2 3 3 4 4 5 5)))
+  (= #{1 4 3 2 5} (set '(1 1 2 2 3 3 4 4 5 5)))
 
   "You can ask clojure for the union of two sets"
-  (= __ (set/union #{1 2 3 4} #{2 3 5}))
+  (= #{1 2 3 4 5} (set/union #{1 2 3 4} #{2 3 5}))
 
   "And also the intersection"
-  (= __ (set/intersection #{1 2 3 4} #{2 3 5}))
+  (= #{2 3} (set/intersection #{1 2 3 4} #{2 3 5}))
 
   "But don't forget about the difference"
-  (= __ (set/difference #{1 2 3 4 5} #{2 3 5})))
+  (= #{1 4} (set/difference #{1 2 3 4 5} #{2 3 5})))