diff --git a/tests/Main.hs b/tests/Main.hs
index d1f9388..ae204a5 100644
--- a/tests/Main.hs
+++ b/tests/Main.hs
@@ -18,38 +18,35 @@ main = defaultMain tests
 
 tests :: [Test]
 tests =
-    [
-      testGroup "Kleisli Category"        $ testCategory (>=>) return
+    [ testGroup "Kleisli Category"        $ testCategory (>=>) return
     , testGroup "Respond Category"        $ testCategory (/>/) respond
-       ++ [
-            testProperty "Distributivity"  prop_respond_Distributivity
-          ]
+     ++ [ testProperty "Distributivity" prop_respond_Distributivity
+        ]
     , testGroup "Request Category"        $ testCategory (\>\) request
-      ++ [
-            testProperty "Distributivity"  prop_request_Distributivity
-          , testProperty "Zero Law"        prop_request_ZeroLaw
-         ]
+     ++ [ testProperty "Distributivity" prop_request_Distributivity
+        , testProperty "Zero Law"       prop_request_ZeroLaw
+        ]
     , testGroup "Pull Category"           $ testCategory (>+>) pull
     , testGroup "Push Category"           $ testCategory (>~>) push
-    , testGroup "Push/Pull" [
-        testProperty "Associativity"       prop_pushPull_Associativity
-      ]
-    , testGroup "Duals" [
-          testGroup "Request" [
-            testProperty "Composition"     prop_dual_RequestComposition
-          , testProperty "Identity"        prop_dual_RequestIdentity
-          ]
-        , testGroup "Respond" [
-            testProperty "Composition"     prop_dual_RespondComposition
-          , testProperty "Identity"        prop_dual_RespondIdentity
-          ]
-      , testProperty "Distributivity"      prop_dual_ReflectDistributivity
-      , testProperty "Zero Law"            prop_dual_ReflectZeroLaw
-      , testProperty "Involution"          prop_dual_Involution
-      ]
-    , testGroup "Functor Laws" [
-        testProperty "Identity"            prop_FunctorIdentity
-      ]
+    , testGroup "Push/Pull"
+        [ testProperty "Associativity"  prop_pushPull_Associativity
+        ]
+    , testGroup "Duals"
+        [ testGroup "Request"
+            [ testProperty "Composition" prop_dual_RequestComposition
+            , testProperty "Identity"    prop_dual_RequestIdentity
+            ]
+        , testGroup "Respond"
+            [ testProperty "Composition" prop_dual_RespondComposition
+            , testProperty "Identity"    prop_dual_RespondIdentity
+            ]
+        , testProperty "Distributivity"  prop_dual_ReflectDistributivity
+        , testProperty "Zero Law"        prop_dual_ReflectZeroLaw
+        , testProperty "Involution"      prop_dual_Involution
+        ]
+    , testGroup "Functor Laws"
+        [ testProperty "Identity"        prop_FunctorIdentity
+        ]
     ]
 
 arbitraryBoundedEnum' :: (Bounded a, Enum a) => Gen a
@@ -164,7 +161,6 @@ instance Arbitrary AProxy where
 instance Show AProxy where
     show = correct . intercalate " >=> " . map show . unAProxy
 
-
 aProxy :: AProxy -> Int -> Proxy Int Int Int Int (Writer [Int]) Int
 aProxy = foldr (>=>) return . map f . unAProxy
   where
@@ -177,40 +173,39 @@ aProxy = foldr (>=>) return . map f . unAProxy
 type ProxyK    = Int -> Proxy Int Int Int Int (Writer [Int]) Int
 type Operation = ProxyK -> ProxyK -> ProxyK
 
-infix 0 >==<
+infix 0 ===
 
-(>==<) :: ProxyK -> ProxyK -> AServer -> AClient -> Bool
-(>==<) pl pr p0 p1 =
+(===) :: ProxyK -> ProxyK -> AServer -> AClient -> Bool
+(===) pl pr p0 p1 =
   let sv  = aServer p0
       cl  = aClient p1
       f p = runWriter (runEffect (p 0))
   in on (==) f (sv >+> pl >+> cl) (sv >+> pr >+> cl)
 
 gen_prop_RightIdentity, gen_prop_LeftIdentity
-  :: Operation
-  -> ProxyK -- right/left identity element
-  -> AProxy -> AServer -> AClient -> Bool
+    :: Operation
+    -> ProxyK -- right/left identity element
+    -> AProxy -> AServer -> AClient -> Bool
 gen_prop_RightIdentity (>>>) idt f' =
     let f = aProxy  f'
-    in (f >>> idt) >==< f
+    in (f >>> idt) === f
 
 gen_prop_LeftIdentity (>>>) idt f' =
     let f = aProxy f'
-    in (idt >>> f) >==< f
+    in (idt >>> f) === f
 
 gen_prop_Associativity
-  :: Operation
-  -> AProxy -> AProxy -> AProxy -> AServer -> AClient -> Bool
+    :: Operation
+    -> AProxy -> AProxy -> AProxy -> AServer -> AClient -> Bool
 gen_prop_Associativity (>>>) f' g' h' =
     let f = aProxy  f'
         g = aProxy  g'
         h = aProxy  h'
-    in f >>> (g >>> h) >==< (f >>> g) >>> h
+    in f >>> (g >>> h) === (f >>> g) >>> h
 
 testCategory :: Operation -> ProxyK -> [Test]
 testCategory op idt =
-    [
-      testProperty "Left Identity"  $ gen_prop_LeftIdentity  op idt
+    [ testProperty "Left Identity"  $ gen_prop_LeftIdentity  op idt
     , testProperty "Right Identity" $ gen_prop_RightIdentity op idt
     , testProperty "Associativity"  $ gen_prop_Associativity op
     ]
@@ -221,7 +216,7 @@ prop_respond_Distributivity f' g' h' =
     let f = aProxy  f'
         g = aProxy  g'
         h = aProxy  h'
-    in (f >=> g) />/ h >==< (f />/ h) >=> (g />/ h)
+    in (f >=> g) />/ h === (f />/ h) >=> (g />/ h)
 
 -- Request Category
 
@@ -229,11 +224,11 @@ prop_request_Distributivity f' g' h' =
     let f = aProxy  f'
         g = aProxy  g'
         h = aProxy  h'
-    in f \>\ (g >=> h) >==< (f \>\ g) >=> (f \>\ h)
+    in f \>\ (g >=> h) === (f \>\ g) >=> (f \>\ h)
 
 prop_request_ZeroLaw f' =
     let f = aProxy  f'
-    in (f \>\ return) >==< return
+    in (f \>\ return) === return
 
 -- Push/Pull
 
@@ -241,37 +236,37 @@ prop_pushPull_Associativity f' g' h' =
     let f = aProxy f'
         g = aProxy g'
         h = aProxy h'
-    in (f >+> g) >~> h >==< f >+> (g >~> h)
+    in (f >+> g) >~> h === f >+> (g >~> h)
 
 -- Duals
 
 prop_dual_RequestComposition f' g' =
     let f = aProxy f'
         g = aProxy g'
-    in reflect . (f \>\ g) >==< reflect . g />/ reflect . f
+    in reflect . (f \>\ g) === reflect . g />/ reflect . f
 
-prop_dual_RequestIdentity = reflect . request >==< respond
+prop_dual_RequestIdentity = reflect . request === respond
 
 prop_dual_RespondComposition f' g' =
     let f = aProxy f'
         g = aProxy g'
-    in  reflect . (f />/ g) >==< reflect . g \>\ reflect . f
+    in  reflect . (f />/ g) === reflect . g \>\ reflect . f
 
-prop_dual_RespondIdentity = reflect . respond >==< request
+prop_dual_RespondIdentity = reflect . respond === request
 
 prop_dual_ReflectDistributivity f' g' =
     let f = aProxy f'
         g = aProxy g'
-    in reflect . (f >=> g) >==< reflect . f >=> reflect . g
+    in reflect . (f >=> g) === reflect . f >=> reflect . g
 
-prop_dual_ReflectZeroLaw = reflect . return >==< return
+prop_dual_ReflectZeroLaw = reflect . return === return
 
 prop_dual_Involution f' =
     let f = aProxy f'
-    in (reflect . reflect) . f >=> return >==< f
+    in (reflect . reflect) . f >=> return === f
 
 -- Functor Laws
 
 prop_FunctorIdentity p' =
     let p = aProxy p'
-    in fmap id p >==< id p
+    in fmap id p === id p