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-rw-r--r--examples/nqueens/Nat.gf8
1 files changed, 4 insertions, 4 deletions
diff --git a/examples/nqueens/Nat.gf b/examples/nqueens/Nat.gf
index 638fb277c..d80d462b5 100644
--- a/examples/nqueens/Nat.gf
+++ b/examples/nqueens/Nat.gf
@@ -11,8 +11,8 @@ data zNE : (i,j : Nat) -> NE i j -> NE (succ i) (succ j) ;
lNE : (j : Nat) -> NE zero (succ j) ;
rNE : (j : Nat) -> NE (succ j) zero ;
-fun plus : Nat -> Nat -> Nat ;
-def plus zero n = n ;
- plus (succ m) n = succ (plus m n) ;
+oper plus : Nat -> Nat -> Nat ;
+def plus zero n = n ;
+ plus (succ m) n = succ (plus m n) ;
-} \ No newline at end of file
+}