diff --git a/eternal.cabal b/eternal.cabal
--- a/eternal.cabal
+++ b/eternal.cabal
@@ -1,6 +1,6 @@
 name:       eternal
 category:   Control
-version:    0.0.2
+version:    0.0.3
 author:        Heather Cynede
 maintainer:    Heather Cynede <Cynede@Gentoo.org>
 license: BSD3
diff --git a/src/Control/Eternal/Syntax/Logic.hs b/src/Control/Eternal/Syntax/Logic.hs
--- a/src/Control/Eternal/Syntax/Logic.hs
+++ b/src/Control/Eternal/Syntax/Logic.hs
@@ -1,8 +1,12 @@
 module Control.Eternal.Syntax.Logic
   ( ifSo
+  , ifNot
   ) where
 
-import Control.Monad (when)
+import Control.Monad (when, unless)
 
 ifSo :: IO () -> Bool -> IO ()
 ifSo = flip when
+
+ifNot :: IO () -> Bool -> IO ()
+ifNot = flip unless