format

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/concepts/Cardinality.ml b/lib/concepts/Cardinality.ml
index ac80a15..a87f9c8 100644
--- a/lib/concepts/Cardinality.ml
+++ b/lib/concepts/Cardinality.ml
@@ -4,7 +4,7 @@ let bounded n = if n <= 0 then Empty else Bounded n
 let rank = function Empty -> 0 | Bounded _ -> 1 | Finite -> 2 | Countable -> 3
 
 let compare a b =
-  match (a, b) with
+  match a, b with
   | Bounded n, Bounded m -> Utilities.Ordering.of_int (Int.compare n m)
   | _ -> Utilities.Ordering.of_int (Int.compare (rank a) (rank b))
 
@@ -12,14 +12,16 @@ let equal a b = compare a b = Utilities.Ordering.Equal
 let leq a b = compare a b <> Utilities.Ordering.Greater
 let join a b = if leq a b then b else a
 let meet a b = if leq a b then a else b
+
 let product a b =
-  match (a, b) with
+  match a, b with
   | Empty, _ | _, Empty -> Empty
   | Countable, _ | _, Countable -> Countable
   | Finite, _ | _, Finite -> Finite
   | Bounded n, Bounded m -> if n > max_int / m then Finite else bounded (n * m)
 
 let exhaustible = function Countable -> false | Empty | Bounded _ | Finite -> true
+
 let to_string = function
   | Empty -> "empty"
   | Bounded n -> Printf.sprintf "bounded(%d)" n