diff options
author | 2006-05-20 00:41:35 +0000 | |
---|---|---|
committer | 2006-05-20 00:41:35 +0000 | |
commit | 99dfd9ba50a40df6c3d558b84ce2a8284ab16fa0 (patch) | |
tree | 1cd7ab6a9a0ee74d6c9b078395f9e53ed1386db5 /theories/FSets/FSetList.v | |
parent | 90d362e22ed6609ef4d846d1a2fd3f5c6af94821 (diff) |
suite tentative pour permettre l'utilisation de modules de FSets
avec <: au lieu de : sans surprise de modules genre Raw partout
ou autres alias dépliés
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8834 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/FSets/FSetList.v')
-rw-r--r-- | theories/FSets/FSetList.v | 216 |
1 files changed, 110 insertions, 106 deletions
diff --git a/theories/FSets/FSetList.v b/theories/FSets/FSetList.v index ac26d5786..51771fc41 100644 --- a/theories/FSets/FSetList.v +++ b/theories/FSets/FSetList.v @@ -199,6 +199,8 @@ Module Raw (X: OrderedType). (** ** Proofs of set operation specifications. *) + Section ForNotations. + Notation Sort := (sort X.lt). Notation Inf := (lelistA X.lt). Notation In := (InA X.eq). @@ -1020,6 +1022,9 @@ Module Raw (X: OrderedType). destruct (e1 a0); auto. Defined. + End ForNotations. + Hint Constructors lt. + End Raw. (** * Encapsulation @@ -1030,209 +1035,208 @@ End Raw. Module Make (X: OrderedType) <: S with Module E := X. Module Raw := Raw X. - Import Raw. Module E := X. - Record slist : Set := {this :> Raw.t; sorted : sort X.lt this}. + Record slist : Set := {this :> Raw.t; sorted : sort E.lt this}. Definition t := slist. - Definition elt := X.t. + Definition elt := E.t. - Definition In (x : elt) (s : t) : Prop := InA X.eq x s.(this). + Definition In (x : elt) (s : t) : Prop := InA E.eq x s.(this). Definition Equal (s s':t) : Prop := forall a : elt, In a s <-> In a s'. Definition Subset (s s':t) : Prop := forall a : elt, In a s -> In a s'. Definition Empty (s:t) : Prop := forall a : elt, ~ In a s. Definition For_all (P : elt -> Prop)(s:t) : Prop := forall x, In x s -> P x. Definition Exists (P : elt -> Prop)(s:t) : Prop := exists x, In x s /\ P x. - Definition mem (x : elt) (s : t) : bool := mem x s. - Definition add (x : elt)(s : t) : t := Build_slist (add_sort (sorted s) x). - Definition remove (x : elt)(s : t) : t := Build_slist (remove_sort (sorted s) x). - Definition singleton (x : elt) : t := Build_slist (singleton_sort x). + Definition mem (x : elt) (s : t) : bool := Raw.mem x s. + Definition add (x : elt)(s : t) : t := Build_slist (Raw.add_sort (sorted s) x). + Definition remove (x : elt)(s : t) : t := Build_slist (Raw.remove_sort (sorted s) x). + Definition singleton (x : elt) : t := Build_slist (Raw.singleton_sort x). Definition union (s s' : t) : t := - Build_slist (union_sort (sorted s) (sorted s')). + Build_slist (Raw.union_sort (sorted s) (sorted s')). Definition inter (s s' : t) : t := - Build_slist (inter_sort (sorted s) (sorted s')). + Build_slist (Raw.inter_sort (sorted s) (sorted s')). Definition diff (s s' : t) : t := - Build_slist (diff_sort (sorted s) (sorted s')). - Definition equal (s s' : t) : bool := equal s s'. - Definition subset (s s' : t) : bool := subset s s'. - Definition empty : t := Build_slist empty_sort. - Definition is_empty (s : t) : bool := is_empty s. - Definition elements (s : t) : list elt := elements s. - Definition min_elt (s : t) : option elt := min_elt s. - Definition max_elt (s : t) : option elt := max_elt s. - Definition choose (s : t) : option elt := choose s. - Definition fold (B : Set) (f : elt -> B -> B) (s : t) : B -> B := fold (B:=B) f s. - Definition cardinal (s : t) : nat := cardinal s. + Build_slist (Raw.diff_sort (sorted s) (sorted s')). + Definition equal (s s' : t) : bool := Raw.equal s s'. + Definition subset (s s' : t) : bool := Raw.subset s s'. + Definition empty : t := Build_slist Raw.empty_sort. + Definition is_empty (s : t) : bool := Raw.is_empty s. + Definition elements (s : t) : list elt := Raw.elements s. + Definition min_elt (s : t) : option elt := Raw.min_elt s. + Definition max_elt (s : t) : option elt := Raw.max_elt s. + Definition choose (s : t) : option elt := Raw.choose s. + Definition fold (B : Set) (f : elt -> B -> B) (s : t) : B -> B := Raw.fold (B:=B) f s. + Definition cardinal (s : t) : nat := Raw.cardinal s. Definition filter (f : elt -> bool) (s : t) : t := - Build_slist (filter_sort (sorted s) f). - Definition for_all (f : elt -> bool) (s : t) : bool := for_all f s. - Definition exists_ (f : elt -> bool) (s : t) : bool := exists_ f s. + Build_slist (Raw.filter_sort (sorted s) f). + Definition for_all (f : elt -> bool) (s : t) : bool := Raw.for_all f s. + Definition exists_ (f : elt -> bool) (s : t) : bool := Raw.exists_ f s. Definition partition (f : elt -> bool) (s : t) : t * t := - let p := partition f s in - (Build_slist (this:=fst p) (partition_sort_1 (sorted s) f), - Build_slist (this:=snd p) (partition_sort_2 (sorted s) f)). - Definition eq (s s' : t) : Prop := eq s s'. - Definition lt (s s' : t) : Prop := lt s s'. + let p := Raw.partition f s in + (Build_slist (this:=fst p) (Raw.partition_sort_1 (sorted s) f), + Build_slist (this:=snd p) (Raw.partition_sort_2 (sorted s) f)). + Definition eq (s s' : t) : Prop := Raw.eq s s'. + Definition lt (s s' : t) : Prop := Raw.lt s s'. Section Spec. Variable s s' s'': t. Variable x y : elt. - Lemma In_1 : X.eq x y -> In x s -> In y s. - Proof. exact (fun H H' => MX.In_eq H H'). Qed. + Lemma In_1 : E.eq x y -> In x s -> In y s. + Proof. exact (fun H H' => Raw.MX.In_eq H H'). Qed. Lemma mem_1 : In x s -> mem x s = true. - Proof. exact (fun H => mem_1 s.(sorted) H). Qed. + Proof. exact (fun H => Raw.mem_1 s.(sorted) H). Qed. Lemma mem_2 : mem x s = true -> In x s. - Proof. exact (fun H => mem_2 H). Qed. + Proof. exact (fun H => Raw.mem_2 H). Qed. Lemma equal_1 : Equal s s' -> equal s s' = true. - Proof. exact (equal_1 s.(sorted) s'.(sorted)). Qed. + Proof. exact (Raw.equal_1 s.(sorted) s'.(sorted)). Qed. Lemma equal_2 : equal s s' = true -> Equal s s'. - Proof. exact (fun H => equal_2 H). Qed. + Proof. exact (fun H => Raw.equal_2 H). Qed. Lemma subset_1 : Subset s s' -> subset s s' = true. - Proof. exact (subset_1 s.(sorted) s'.(sorted)). Qed. + Proof. exact (Raw.subset_1 s.(sorted) s'.(sorted)). Qed. Lemma subset_2 : subset s s' = true -> Subset s s'. - Proof. exact (fun H => subset_2 H). Qed. + Proof. exact (fun H => Raw.subset_2 H). Qed. Lemma empty_1 : Empty empty. - Proof. exact empty_1. Qed. + Proof. exact Raw.empty_1. Qed. Lemma is_empty_1 : Empty s -> is_empty s = true. - Proof. exact (fun H => is_empty_1 H). Qed. + Proof. exact (fun H => Raw.is_empty_1 H). Qed. Lemma is_empty_2 : is_empty s = true -> Empty s. - Proof. exact (fun H => is_empty_2 H). Qed. + Proof. exact (fun H => Raw.is_empty_2 H). Qed. - Lemma add_1 : X.eq x y -> In y (add x s). - Proof. exact (fun H => add_1 s.(sorted) H). Qed. + Lemma add_1 : E.eq x y -> In y (add x s). + Proof. exact (fun H => Raw.add_1 s.(sorted) H). Qed. Lemma add_2 : In y s -> In y (add x s). - Proof. exact (fun H => add_2 s.(sorted) x H). Qed. - Lemma add_3 : ~ X.eq x y -> In y (add x s) -> In y s. - Proof. exact (fun H => add_3 s.(sorted) H). Qed. - - Lemma remove_1 : X.eq x y -> ~ In y (remove x s). - Proof. exact (fun H => remove_1 s.(sorted) H). Qed. - Lemma remove_2 : ~ X.eq x y -> In y s -> In y (remove x s). - Proof. exact (fun H H' => remove_2 s.(sorted) H H'). Qed. + Proof. exact (fun H => Raw.add_2 s.(sorted) x H). Qed. + Lemma add_3 : ~ E.eq x y -> In y (add x s) -> In y s. + Proof. exact (fun H => Raw.add_3 s.(sorted) H). Qed. + + Lemma remove_1 : E.eq x y -> ~ In y (remove x s). + Proof. exact (fun H => Raw.remove_1 s.(sorted) H). Qed. + Lemma remove_2 : ~ E.eq x y -> In y s -> In y (remove x s). + Proof. exact (fun H H' => Raw.remove_2 s.(sorted) H H'). Qed. Lemma remove_3 : In y (remove x s) -> In y s. - Proof. exact (fun H => remove_3 s.(sorted) H). Qed. + Proof. exact (fun H => Raw.remove_3 s.(sorted) H). Qed. - Lemma singleton_1 : In y (singleton x) -> X.eq x y. - Proof. exact (fun H => singleton_1 H). Qed. - Lemma singleton_2 : X.eq x y -> In y (singleton x). - Proof. exact (fun H => singleton_2 H). Qed. + Lemma singleton_1 : In y (singleton x) -> E.eq x y. + Proof. exact (fun H => Raw.singleton_1 H). Qed. + Lemma singleton_2 : E.eq x y -> In y (singleton x). + Proof. exact (fun H => Raw.singleton_2 H). Qed. Lemma union_1 : In x (union s s') -> In x s \/ In x s'. - Proof. exact (fun H => union_1 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.union_1 s.(sorted) s'.(sorted) H). Qed. Lemma union_2 : In x s -> In x (union s s'). - Proof. exact (fun H => union_2 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.union_2 s.(sorted) s'.(sorted) H). Qed. Lemma union_3 : In x s' -> In x (union s s'). - Proof. exact (fun H => union_3 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.union_3 s.(sorted) s'.(sorted) H). Qed. Lemma inter_1 : In x (inter s s') -> In x s. - Proof. exact (fun H => inter_1 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.inter_1 s.(sorted) s'.(sorted) H). Qed. Lemma inter_2 : In x (inter s s') -> In x s'. - Proof. exact (fun H => inter_2 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.inter_2 s.(sorted) s'.(sorted) H). Qed. Lemma inter_3 : In x s -> In x s' -> In x (inter s s'). - Proof. exact (fun H => inter_3 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.inter_3 s.(sorted) s'.(sorted) H). Qed. Lemma diff_1 : In x (diff s s') -> In x s. - Proof. exact (fun H => diff_1 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.diff_1 s.(sorted) s'.(sorted) H). Qed. Lemma diff_2 : In x (diff s s') -> ~ In x s'. - Proof. exact (fun H => diff_2 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.diff_2 s.(sorted) s'.(sorted) H). Qed. Lemma diff_3 : In x s -> ~ In x s' -> In x (diff s s'). - Proof. exact (fun H => diff_3 s.(sorted) s'.(sorted) H). Qed. + Proof. exact (fun H => Raw.diff_3 s.(sorted) s'.(sorted) H). Qed. Lemma fold_1 : forall (A : Set) (i : A) (f : elt -> A -> A), fold f s i = fold_left (fun a e => f e a) (elements s) i. - Proof. exact (fold_1 s.(sorted)). Qed. + Proof. exact (Raw.fold_1 s.(sorted)). Qed. Lemma cardinal_1 : cardinal s = length (elements s). - Proof. exact (cardinal_1 s.(sorted)). Qed. + Proof. exact (Raw.cardinal_1 s.(sorted)). Qed. Section Filter. Variable f : elt -> bool. - Lemma filter_1 : compat_bool X.eq f -> In x (filter f s) -> In x s. - Proof. exact (@filter_1 s x f). Qed. - Lemma filter_2 : compat_bool X.eq f -> In x (filter f s) -> f x = true. - Proof. exact (@filter_2 s x f). Qed. + Lemma filter_1 : compat_bool E.eq f -> In x (filter f s) -> In x s. + Proof. exact (@Raw.filter_1 s x f). Qed. + Lemma filter_2 : compat_bool E.eq f -> In x (filter f s) -> f x = true. + Proof. exact (@Raw.filter_2 s x f). Qed. Lemma filter_3 : - compat_bool X.eq f -> In x s -> f x = true -> In x (filter f s). - Proof. exact (@filter_3 s x f). Qed. + compat_bool E.eq f -> In x s -> f x = true -> In x (filter f s). + Proof. exact (@Raw.filter_3 s x f). Qed. Lemma for_all_1 : - compat_bool X.eq f -> + compat_bool E.eq f -> For_all (fun x => f x = true) s -> for_all f s = true. - Proof. exact (@for_all_1 s f). Qed. + Proof. exact (@Raw.for_all_1 s f). Qed. Lemma for_all_2 : - compat_bool X.eq f -> + compat_bool E.eq f -> for_all f s = true -> For_all (fun x => f x = true) s. - Proof. exact (@for_all_2 s f). Qed. + Proof. exact (@Raw.for_all_2 s f). Qed. Lemma exists_1 : - compat_bool X.eq f -> + compat_bool E.eq f -> Exists (fun x => f x = true) s -> exists_ f s = true. - Proof. exact (@exists_1 s f). Qed. + Proof. exact (@Raw.exists_1 s f). Qed. Lemma exists_2 : - compat_bool X.eq f -> + compat_bool E.eq f -> exists_ f s = true -> Exists (fun x => f x = true) s. - Proof. exact (@exists_2 s f). Qed. + Proof. exact (@Raw.exists_2 s f). Qed. Lemma partition_1 : - compat_bool X.eq f -> Equal (fst (partition f s)) (filter f s). - Proof. exact (@partition_1 s f). Qed. + compat_bool E.eq f -> Equal (fst (partition f s)) (filter f s). + Proof. exact (@Raw.partition_1 s f). Qed. Lemma partition_2 : - compat_bool X.eq f -> + compat_bool E.eq f -> Equal (snd (partition f s)) (filter (fun x => negb (f x)) s). - Proof. exact (@partition_2 s f). Qed. + Proof. exact (@Raw.partition_2 s f). Qed. End Filter. - Lemma elements_1 : In x s -> InA X.eq x (elements s). - Proof. exact (fun H => elements_1 H). Qed. - Lemma elements_2 : InA X.eq x (elements s) -> In x s. - Proof. exact (fun H => elements_2 H). Qed. - Lemma elements_3 : sort X.lt (elements s). - Proof. exact (elements_3 s.(sorted)). Qed. + Lemma elements_1 : In x s -> InA E.eq x (elements s). + Proof. exact (fun H => Raw.elements_1 H). Qed. + Lemma elements_2 : InA E.eq x (elements s) -> In x s. + Proof. exact (fun H => Raw.elements_2 H). Qed. + Lemma elements_3 : sort E.lt (elements s). + Proof. exact (Raw.elements_3 s.(sorted)). Qed. Lemma min_elt_1 : min_elt s = Some x -> In x s. - Proof. exact (fun H => min_elt_1 H). Qed. - Lemma min_elt_2 : min_elt s = Some x -> In y s -> ~ X.lt y x. - Proof. exact (fun H => min_elt_2 s.(sorted) H). Qed. + Proof. exact (fun H => Raw.min_elt_1 H). Qed. + Lemma min_elt_2 : min_elt s = Some x -> In y s -> ~ E.lt y x. + Proof. exact (fun H => Raw.min_elt_2 s.(sorted) H). Qed. Lemma min_elt_3 : min_elt s = None -> Empty s. - Proof. exact (fun H => min_elt_3 H). Qed. + Proof. exact (fun H => Raw.min_elt_3 H). Qed. Lemma max_elt_1 : max_elt s = Some x -> In x s. - Proof. exact (fun H => max_elt_1 H). Qed. - Lemma max_elt_2 : max_elt s = Some x -> In y s -> ~ X.lt x y. - Proof. exact (fun H => max_elt_2 s.(sorted) H). Qed. + Proof. exact (fun H => Raw.max_elt_1 H). Qed. + Lemma max_elt_2 : max_elt s = Some x -> In y s -> ~ E.lt x y. + Proof. exact (fun H => Raw.max_elt_2 s.(sorted) H). Qed. Lemma max_elt_3 : max_elt s = None -> Empty s. - Proof. exact (fun H => max_elt_3 H). Qed. + Proof. exact (fun H => Raw.max_elt_3 H). Qed. Lemma choose_1 : choose s = Some x -> In x s. - Proof. exact (fun H => choose_1 H). Qed. + Proof. exact (fun H => Raw.choose_1 H). Qed. Lemma choose_2 : choose s = None -> Empty s. - Proof. exact (fun H => choose_2 H). Qed. + Proof. exact (fun H => Raw.choose_2 H). Qed. Lemma eq_refl : eq s s. - Proof. exact (eq_refl s). Qed. + Proof. exact (Raw.eq_refl s). Qed. Lemma eq_sym : eq s s' -> eq s' s. - Proof. exact (@eq_sym s s'). Qed. + Proof. exact (@Raw.eq_sym s s'). Qed. Lemma eq_trans : eq s s' -> eq s' s'' -> eq s s''. - Proof. exact (@eq_trans s s' s''). Qed. + Proof. exact (@Raw.eq_trans s s' s''). Qed. Lemma lt_trans : lt s s' -> lt s' s'' -> lt s s''. - Proof. exact (@lt_trans s s' s''). Qed. + Proof. exact (@Raw.lt_trans s s' s''). Qed. Lemma lt_not_eq : lt s s' -> ~ eq s s'. - Proof. exact (lt_not_eq s.(sorted) s'.(sorted)). Qed. + Proof. exact (Raw.lt_not_eq s.(sorted) s'.(sorted)). Qed. Definition compare : Compare lt eq s s'. Proof. - elim (compare s.(sorted) s'.(sorted)); + elim (Raw.compare s.(sorted) s'.(sorted)); [ constructor 1 | constructor 2 | constructor 3 ]; auto. Defined. |