1 files changed, 0 insertions, 21 deletions
diff --git a/book/examples/chapter8/Logic.gf b/book/examples/chapter8/Logic.gf
deleted file mode 100644
index f2b292428..000000000
--- a/book/examples/chapter8/Logic.gf
+++ /dev/null
@@ -1,21 +0,0 @@
-abstract Logic = {
-flags startcat = Stm ;
-cat
-  Stm ;        -- top-level statement 
-  Prop ;       -- proposition 
-  Atom ;       -- atomic formula
-  Ind ;        -- individual term 
-  Dom ;        -- domain expression
-  Var ;        -- variable
-  [Prop] {2} ; -- list of propositions, 2 or more
-  [Var] {1} ;  -- list of variables, 1 or more
-fun
-  SProp : Prop -> Stm ;
-  And, Or : [Prop] -> Prop ;
-  If  : Prop -> Prop -> Prop ;
-  Not : Prop -> Prop ;
-  PAtom : Atom -> Prop ;
-  All, Exist : [Var] -> Dom -> Prop -> Prop ;
-  IVar : Var -> Ind ;
-  VString : String -> Var ;
-}