- Explicitely passed pred_subset_eq and pred_equals_eq as an argument to the
to_set and to_pred attributes, because it is no longer applied automatically
- Manually applied predicate1I in proof of accp_subset, because it is no longer
part of the claset
- Replaced psubset_def by less_le
structure HOL =
struct
type 'a eq = {eq : 'a -> 'a -> bool};
fun eq (A_:'a eq) = #eq A_;
fun eqop A_ a = eq A_ a;
end; (*struct HOL*)
structure List =
struct
fun member A_ x (y :: ys) =
(if HOL.eqop A_ y x then true else member A_ x ys)
| member A_ x [] = false;
end; (*struct List*)
structure Codegen =
struct
fun collect_duplicates A_ xs ys (z :: zs) =
(if List.member A_ z xs
then (if List.member A_ z ys then collect_duplicates A_ xs ys zs
else collect_duplicates A_ xs (z :: ys) zs)
else collect_duplicates A_ (z :: xs) (z :: ys) zs)
| collect_duplicates A_ xs ys [] = xs;
end; (*struct Codegen*)