aboutsummaryrefslogtreecommitdiffhomepage
path: root/theories/Sorting
diff options
context:
space:
mode:
authorGravatar letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7>2008-03-04 17:33:35 +0000
committerGravatar letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7>2008-03-04 17:33:35 +0000
commit58c70113a815a42593c566f64f2de840fc7e48a1 (patch)
treec667f773ad8084832e54cebe46e6fabe07a9adeb /theories/Sorting
parent1f559440d19d9e27a3c935a26b6c8447c2220654 (diff)
migration from Set to Type of FSet/FMap + some dependencies...
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10616 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Sorting')
-rw-r--r--theories/Sorting/Heap.v35
-rw-r--r--theories/Sorting/PermutEq.v4
-rw-r--r--theories/Sorting/PermutSetoid.v4
-rw-r--r--theories/Sorting/Permutation.v2
-rw-r--r--theories/Sorting/Sorting.v18
5 files changed, 45 insertions, 18 deletions
diff --git a/theories/Sorting/Heap.v b/theories/Sorting/Heap.v
index 2f5dfafef..573d5adb8 100644
--- a/theories/Sorting/Heap.v
+++ b/theories/Sorting/Heap.v
@@ -25,7 +25,7 @@ Section defs.
(** ** Definition of trees over an ordered set *)
- Variable A : Set.
+ Variable A : Type.
Variable leA : relation A.
Variable eqA : relation A.
@@ -43,7 +43,7 @@ Section defs.
Let emptyBag := EmptyBag A.
Let singletonBag := SingletonBag _ eqA_dec.
- Inductive Tree : Set :=
+ Inductive Tree :=
| Tree_Leaf : Tree
| Tree_Node : A -> Tree -> Tree -> Tree.
@@ -87,6 +87,23 @@ Section defs.
Qed.
(* This lemma ought to be generated automatically by the Inversion tools *)
+ Lemma is_heap_rect :
+ forall P:Tree -> Type,
+ P Tree_Leaf ->
+ (forall (a:A) (T1 T2:Tree),
+ leA_Tree a T1 ->
+ leA_Tree a T2 ->
+ is_heap T1 -> P T1 -> is_heap T2 -> P T2 -> P (Tree_Node a T1 T2)) ->
+ forall T:Tree, is_heap T -> P T.
+ Proof.
+ simple induction T; auto with datatypes.
+ intros a G PG D PD PN.
+ elim (invert_heap a G D); auto with datatypes.
+ intros H1 H2; elim H2; intros H3 H4; elim H4; intros.
+ apply X0; auto with datatypes.
+ Qed.
+
+ (* This lemma ought to be generated automatically by the Inversion tools *)
Lemma is_heap_rec :
forall P:Tree -> Set,
P Tree_Leaf ->
@@ -100,7 +117,7 @@ Section defs.
intros a G PG D PD PN.
elim (invert_heap a G D); auto with datatypes.
intros H1 H2; elim H2; intros H3 H4; elim H4; intros.
- apply H0; auto with datatypes.
+ apply X; auto with datatypes.
Qed.
Lemma low_trans :
@@ -136,7 +153,7 @@ Section defs.
(** ** Specification of heap insertion *)
- Inductive insert_spec (a:A) (T:Tree) : Set :=
+ Inductive insert_spec (a:A) (T:Tree) : Type :=
insert_exist :
forall T1:Tree,
is_heap T1 ->
@@ -152,11 +169,11 @@ Section defs.
auto using node_is_heap, nil_is_heap, leA_Tree_Leaf with datatypes.
simpl in |- *; unfold meq, munion in |- *; auto using node_is_heap with datatypes.
elim (leA_dec a a0); intros.
- elim (H3 a0); intros.
+ elim (X a0); intros.
apply insert_exist with (Tree_Node a T2 T0);
auto using node_is_heap, nil_is_heap, leA_Tree_Leaf with datatypes.
simpl in |- *; apply treesort_twist1; trivial with datatypes.
- elim (H3 a); intros T3 HeapT3 ConT3 LeA.
+ elim (X a); intros T3 HeapT3 ConT3 LeA.
apply insert_exist with (Tree_Node a0 T2 T3);
auto using node_is_heap, nil_is_heap, leA_Tree_Leaf with datatypes.
apply node_is_heap; auto using node_is_heap, nil_is_heap, leA_Tree_Leaf with datatypes.
@@ -169,7 +186,7 @@ Section defs.
(** ** Building a heap from a list *)
- Inductive build_heap (l:list A) : Set :=
+ Inductive build_heap (l:list A) : Type :=
heap_exist :
forall T:Tree,
is_heap T ->
@@ -193,7 +210,7 @@ Section defs.
(** ** Building the sorted list *)
- Inductive flat_spec (T:Tree) : Set :=
+ Inductive flat_spec (T:Tree) : Type :=
flat_exist :
forall l:list A,
sort leA l ->
@@ -204,7 +221,7 @@ Section defs.
Proof.
intros T h; elim h; intros.
apply flat_exist with (nil (A:=A)); auto with datatypes.
- elim H2; intros l1 s1 i1 m1; elim H4; intros l2 s2 i2 m2.
+ elim X; intros l1 s1 i1 m1; elim X0; intros l2 s2 i2 m2.
elim (merge _ leA_dec eqA_dec s1 s2); intros.
apply flat_exist with (a :: l); simpl in |- *; auto with datatypes.
apply meq_trans with
diff --git a/theories/Sorting/PermutEq.v b/theories/Sorting/PermutEq.v
index 166b59a9f..8ff4e460e 100644
--- a/theories/Sorting/PermutEq.v
+++ b/theories/Sorting/PermutEq.v
@@ -25,7 +25,7 @@ Set Implicit Arguments.
Section Perm.
- Variable A : Set.
+ Variable A : Type.
Hypothesis eq_dec : forall x y:A, {x=y} + {~ x=y}.
Notation permutation := (permutation _ eq_dec).
@@ -214,7 +214,7 @@ Section Perm.
apply permut_remove_hd with a; auto.
Qed.
- Variable B : Set.
+ Variable B : Type.
Variable eqB_dec : forall x y:B, { x=y }+{ ~x=y }.
(** Permutation is compatible with map. *)
diff --git a/theories/Sorting/PermutSetoid.v b/theories/Sorting/PermutSetoid.v
index 84eac9905..e012bde19 100644
--- a/theories/Sorting/PermutSetoid.v
+++ b/theories/Sorting/PermutSetoid.v
@@ -23,7 +23,7 @@ Set Implicit Arguments.
Section Perm.
-Variable A : Set.
+Variable A : Type.
Variable eqA : relation A.
Hypothesis eqA_dec : forall x y:A, {eqA x y} + {~ eqA x y}.
@@ -198,7 +198,7 @@ Proof.
Qed.
-Variable B : Set.
+Variable B : Type.
Variable eqB : B->B->Prop.
Variable eqB_dec : forall x y:B, { eqB x y }+{ ~eqB x y }.
Variable eqB_trans : forall x y z, eqB x y -> eqB y z -> eqB x z.
diff --git a/theories/Sorting/Permutation.v b/theories/Sorting/Permutation.v
index 4c23f0f93..026a305b1 100644
--- a/theories/Sorting/Permutation.v
+++ b/theories/Sorting/Permutation.v
@@ -38,7 +38,7 @@ Section defs.
(** * From lists to multisets *)
- Variable A : Set.
+ Variable A : Type.
Variable eqA : relation A.
Hypothesis eqA_dec : forall x y:A, {eqA x y} + {~ eqA x y}.
diff --git a/theories/Sorting/Sorting.v b/theories/Sorting/Sorting.v
index c1a43f64f..9828d1a24 100644
--- a/theories/Sorting/Sorting.v
+++ b/theories/Sorting/Sorting.v
@@ -17,7 +17,7 @@ Set Implicit Arguments.
Section defs.
- Variable A : Set.
+ Variable A : Type.
Variable leA : relation A.
Variable eqA : relation A.
@@ -59,6 +59,16 @@ Section defs.
intros; inversion H; auto with datatypes.
Qed.
+ Lemma sort_rect :
+ forall P:list A -> Type,
+ P nil ->
+ (forall (a:A) (l:list A), sort l -> P l -> lelistA a l -> P (a :: l)) ->
+ forall y:list A, sort y -> P y.
+ Proof.
+ simple induction y; auto with datatypes.
+ intros; elim (sort_inv (a:=a) (l:=l)); auto with datatypes.
+ Qed.
+
Lemma sort_rec :
forall P:list A -> Set,
P nil ->
@@ -71,7 +81,7 @@ Section defs.
(** * Merging two sorted lists *)
- Inductive merge_lem (l1 l2:list A) : Set :=
+ Inductive merge_lem (l1 l2:list A) : Type :=
merge_exist :
forall l:list A,
sort l ->
@@ -85,7 +95,7 @@ Section defs.
Proof.
simple induction 1; intros.
apply merge_exist with l2; auto with datatypes.
- elim H3; intros.
+ elim H2; intros.
apply merge_exist with (a :: l); simpl in |- *; auto using cons_sort with datatypes.
elim (leA_dec a a0); intros.
@@ -104,7 +114,7 @@ Section defs.
apply lelistA_inv with l; trivial with datatypes.
(* 2 (leA a0 a) *)
- elim H5; simpl in |- *; intros.
+ elim X0; simpl in |- *; intros.
apply merge_exist with (a0 :: l3); simpl in |- *;
auto using cons_sort, cons_leA with datatypes.
apply meq_trans with