diff options
Diffstat (limited to 'theories/Numbers')
| -rw-r--r-- | theories/Numbers/Natural/Abstract/NBase.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/Numbers/Natural/Abstract/NBase.v b/theories/Numbers/Natural/Abstract/NBase.v index deee349ca2..c7632d1859 100644 --- a/theories/Numbers/Natural/Abstract/NBase.v +++ b/theories/Numbers/Natural/Abstract/NBase.v @@ -81,7 +81,7 @@ function (by recursion) that maps 0 to false and the successor to true *) Definition if_zero (A : Set) (a b : A) (n : N) : A := recursion a (fun _ _ => b) n. -Add Parametric Morphism (A : Set) : (if_zero A) with signature (@eq _ ==> @eq _ ==> Neq ==> @eq _) as if_zero_wd. +Add Parametric Morphism (A : Set) : (if_zero A) with signature (eq ==> eq ==> Neq ==> eq) as if_zero_wd. Proof. intros; unfold if_zero. apply recursion_wd with (Aeq := (@eq A)). reflexivity. unfold fun2_eq; now intros. assumption. |