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the Plus predicate from NQueens is replaced with definition for function plus

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krasimir
2010-03-24 16:14:36 +00:00
parent 17897bc286
commit 925fb9dc85
3 changed files with 5 additions and 6 deletions
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6
examples/nqueens/Nat.gf
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@@ -7,7 +7,6 @@ data zero : Nat ;
cat NE (i,j : Nat) ;
cat LT (i,j : Nat) ;
cat Plus Nat Nat Nat ;
data zNE : (i,j : Nat) -> NE i j -> NE (succ i) (succ j) ;
lNE : (j : Nat) -> NE zero (succ j) ;
@@ -16,7 +15,8 @@ data zNE : (i,j : Nat) -> NE i j -> NE (succ i) (succ j) ;
zLT : (n : Nat) -> LT zero (succ n) ;
sLT : (m,n : Nat) -> LT m n -> LT (succ m) (succ n) ;
zP : (n : Nat) -> Plus zero n n ;
sP : (m,n,s : Nat) -> Plus m n s -> Plus (succ m) n (succ s) ;
fun plus : Nat -> Nat -> Nat ;
def plus zero n = n ;
plus (succ m) n = succ (plus m n) ;
}