Inductive Comp : Set -> Type :=
| Ret : forall (A : Set), eq_dec A -> A -> Comp A
| Bind : forall (A B : Set), Comp B -> (B -> Comp A) -> Comp A
| Rnd : forall n, Comp (Bvector n)
| Repeat : forall (A : Set), Comp A -> (A -> bool) -> Comp A.Inductive Comp : Set -> Type :=
| Ret : forall (A : Set), eq_dec A -> A -> Comp A
| Bind : forall (A B : Set), Comp B -> (B -> Comp A) -> Comp A
| Rnd : forall n, Comp (Bvector n)
| Repeat : forall (A : Set), Comp A -> (A -> bool) -> Comp A.Inductive Comp : Set -> Type :=
| Ret : forall (A : Set), eq_dec A -> A -> Comp A
| Bind : forall (A B : Set), Comp B -> (B -> Comp A) -> Comp A
| Rnd : forall n, Comp (Bvector n)
| Repeat : forall (A : Set), Comp A -> (A -> bool) -> Comp A.Inductive Comp : Set -> Type :=
| Ret : forall (A : Set), eq_dec A -> A -> Comp A
| Bind : forall (A B : Set), Comp B -> (B -> Comp A) -> Comp A
| Rnd : forall n, Comp (Bvector n)
| Repeat : forall (A : Set), Comp A -> (A -> bool) -> Comp A.Inductive Comp : Set -> Type :=
| Ret : forall (A : Set), eq_dec A -> A -> Comp A
| Bind : forall (A B : Set), Comp B -> (B -> Comp A) -> Comp A
| Rnd : forall n, Comp (Bvector n)
| Repeat : forall (A : Set), Comp A -> (A -> bool) -> Comp A.(* syntactic equality for Comp *)
Inductive Comp_eq : forall (A : Set), Comp A -> Comp A -> Prop :=
  | Comp_eq_Ret : forall (A : Set)(pf1 pf2 : eq_dec A)(a : A),
    Comp_eq (Ret pf1 a) (Ret pf2 a)
  | Comp_eq_Bind : forall (A B : Set)(c1x c1y : Comp B)(c2x c2y : B -> Comp A),
    Comp_eq c1x c1y ->
    (forall b, (Comp_eq (c2x b) (c2y b))) ->
    Comp_eq (Bind c1x c2x) (Bind c1y c2y)
  | Comp_eq_Rnd : forall n,
    Comp_eq (Rnd n) (Rnd n)
  | Comp_eq_Repeat : forall (A : Set)(c1 c2 : Comp A)(P1 P2 : A -> bool),
    Comp_eq c1 c2 ->
    (forall a, P1 a = P2 a) ->
    Comp_eq (Repeat c1 P1) (Repeat c2 P2).(* syntactic equality for Comp *)
Inductive Comp_eq : forall (A : Set), Comp A -> Comp A -> Prop :=
  | Comp_eq_Ret : forall (A : Set)(pf1 pf2 : eq_dec A)(a : A),
    Comp_eq (Ret pf1 a) (Ret pf2 a)
  | Comp_eq_Bind : forall (A B : Set)(c1x c1y : Comp B)(c2x c2y : B -> Comp A),
    Comp_eq c1x c1y ->
    (forall b, (Comp_eq (c2x b) (c2y b))) ->
    Comp_eq (Bind c1x c2x) (Bind c1y c2y)
  | Comp_eq_Rnd : forall n,
    Comp_eq (Rnd n) (Rnd n)
  | Comp_eq_Repeat : forall (A : Set)(c1 c2 : Comp A)(P1 P2 : A -> bool),
    Comp_eq c1 c2 ->
    (forall a, P1 a = P2 a) ->
    Comp_eq (Repeat c1 P1) (Repeat c2 P2).(* syntactic equality for Comp *)
Inductive Comp_eq : forall (A : Set), Comp A -> Comp A -> Prop :=
  | Comp_eq_Ret : forall (A : Set)(pf1 pf2 : eq_dec A)(a : A),
    Comp_eq (Ret pf1 a) (Ret pf2 a)
  | Comp_eq_Bind : forall (A B : Set)(c1x c1y : Comp B)(c2x c2y : B -> Comp A),
    Comp_eq c1x c1y ->
    (forall b, (Comp_eq (c2x b) (c2y b))) ->
    Comp_eq (Bind c1x c2x) (Bind c1y c2y)
  | Comp_eq_Rnd : forall n,
    Comp_eq (Rnd n) (Rnd n)
  | Comp_eq_Repeat : forall (A : Set)(c1 c2 : Comp A)(P1 P2 : A -> bool),
    Comp_eq c1 c2 ->
    (forall a, P1 a = P2 a) ->
    Comp_eq (Repeat c1 P1) (Repeat c2 P2).(* syntactic equality for Comp *)
Inductive Comp_eq : forall (A : Set), Comp A -> Comp A -> Prop :=
  | Comp_eq_Ret : forall (A : Set)(pf1 pf2 : eq_dec A)(a : A),
    Comp_eq (Ret pf1 a) (Ret pf2 a)
  | Comp_eq_Bind : forall (A B : Set)(c1x c1y : Comp B)(c2x c2y : B -> Comp A),
    Comp_eq c1x c1y ->
    (forall b, (Comp_eq (c2x b) (c2y b))) ->
    Comp_eq (Bind c1x c2x) (Bind c1y c2y)
  | Comp_eq_Rnd : forall n,
    Comp_eq (Rnd n) (Rnd n)
  | Comp_eq_Repeat : forall (A : Set)(c1 c2 : Comp A)(P1 P2 : A -> bool),
    Comp_eq c1 c2 ->
    (forall a, P1 a = P2 a) ->
    Comp_eq (Repeat c1 P1) (Repeat c2 P2).(* syntactic equality for Comp *)
Inductive Comp_eq : forall (A : Set), Comp A -> Comp A -> Prop :=
  | Comp_eq_Ret : forall (A : Set)(pf1 pf2 : eq_dec A)(a : A),
    Comp_eq (Ret pf1 a) (Ret pf2 a)
  | Comp_eq_Bind : forall (A B : Set)(c1x c1y : Comp B)(c2x c2y : B -> Comp A),
    Comp_eq c1x c1y ->
    (forall b, (Comp_eq (c2x b) (c2y b))) ->
    Comp_eq (Bind c1x c2x) (Bind c1y c2y)
  | Comp_eq_Rnd : forall n,
    Comp_eq (Rnd n) (Rnd n)
  | Comp_eq_Repeat : forall (A : Set)(c1 c2 : Comp A)(P1 P2 : A -> bool),
    Comp_eq c1 c2 ->
    (forall a, P1 a = P2 a) ->
    Comp_eq (Repeat c1 P1) (Repeat c2 P2).

Lemma Bvector_exists : forall n, Bvector n.