IdType : Type IdType = {0 a : Type} -> a -> a id : IdType id = \ x : _ => x idid : {0 a : Type} -> a -> a idid = id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id id idTy : Type idTy = idid Type