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stdpp
Commits
d67bf19d
Commit
d67bf19d
authored
Jun 05, 2015
by
Robbert Krebbers
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Plain Diff
Prove function rules.
parent
60c8d501
Changes
3
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3 changed files
with
23 additions
and
4 deletions
+23
4
theories/collections.v
theories/collections.v
+8
0
theories/fin_maps.v
theories/fin_maps.v
+6
4
theories/list.v
theories/list.v
+9
0
No files found.
theories/collections.v
View file @
d67bf19d
...
...
@@ 178,6 +178,7 @@ Tactic Notation "decompose_elem_of" hyp(H) :=
let
H1
:
=
fresh
H
in
let
H2
:
=
fresh
H
in
apply
elem_of_guard
in
H
;
destruct
H
as
[
H1
H2
]
;
go
H2

_
∈
of_option
_
=>
apply
elem_of_of_option
in
H

_
∈
of_list
_
=>
apply
elem_of_of_list
in
H

_
=>
idtac
end
in
go
H
.
Tactic
Notation
"decompose_elem_of"
:
=
...
...
@@ 221,6 +222,8 @@ Ltac unfold_elem_of :=

context
[
_
∈
_
≫
=
_
]
=>
setoid_rewrite
elem_of_bind
in
H

context
[
_
∈
mjoin
_
]
=>
setoid_rewrite
elem_of_join
in
H

context
[
_
∈
guard
_;
_
]
=>
setoid_rewrite
elem_of_guard
in
H

context
[
_
∈
of_option
_
]
=>
setoid_rewrite
elem_of_of_option
in
H

context
[
_
∈
of_list
_
]
=>
setoid_rewrite
elem_of_of_list
in
H
end
)
;
repeat
match
goal
with


context
[
_
⊆
_
]
=>
setoid_rewrite
elem_of_subseteq
...
...
@@ 239,6 +242,8 @@ Ltac unfold_elem_of :=


context
[
_
∈
_
≫
=
_
]
=>
setoid_rewrite
elem_of_bind


context
[
_
∈
mjoin
_
]
=>
setoid_rewrite
elem_of_join


context
[
_
∈
guard
_;
_
]
=>
setoid_rewrite
elem_of_guard


context
[
_
∈
of_option
_
]
=>
setoid_rewrite
elem_of_of_option


context
[
_
∈
of_list
_
]
=>
setoid_rewrite
elem_of_of_list
end
.
(** The tactic [solve_elem_of tac] composes the above tactic with [intuition].
...
...
@@ 485,6 +490,9 @@ Section fresh.
rewrite
<
Forall_forall
.
intros
[
Hxs
Hxs'
].
induction
Hxs
;
decompose_Forall_hyps
;
constructor
;
auto
.
Qed
.
Lemma
Forall_fresh_subseteq
X
Y
xs
:
Forall_fresh
X
xs
→
Y
⊆
X
→
Forall_fresh
Y
xs
.
Proof
.
rewrite
!
Forall_fresh_alt
;
esolve_elem_of
.
Qed
.
Lemma
fresh_list_length
n
X
:
length
(
fresh_list
n
X
)
=
n
.
Proof
.
revert
X
.
induction
n
;
simpl
;
auto
.
Qed
.
...
...
theories/fin_maps.v
View file @
d67bf19d
...
...
@@ 240,10 +240,12 @@ Proof.
by
destruct
(
decide
(
i
=
j
))
as
[>?]
;
rewrite
?lookup_alter
,
?fmap_None
,
?lookup_alter_ne
.
Qed
.
Lemma
alter_None
{
A
}
(
f
:
A
→
A
)
m
i
:
m
!!
i
=
None
→
alter
f
i
m
=
m
.
Lemma
alter_id
{
A
}
(
f
:
A
→
A
)
m
i
:
(
∀
x
,
m
!!
i
=
Some
x
→
f
x
=
x
)
→
alter
f
i
m
=
m
.
Proof
.
intros
Hi
.
apply
map_eq
.
intros
j
.
by
destruct
(
decide
(
i
=
j
))
as
[>?]
;
rewrite
?lookup_alter
,
?Hi
,
?lookup_alter_ne
.
intros
Hi
;
apply
map_eq
;
intros
j
;
destruct
(
decide
(
i
=
j
))
as
[>?].
{
rewrite
lookup_alter
;
destruct
(
m
!!
j
)
;
f_equal'
;
auto
.
}
by
rewrite
lookup_alter_ne
by
done
.
Qed
.
(** ** Properties of the [delete] operation *)
...
...
@@ 340,7 +342,7 @@ Proof.
destruct
(
decide
(
i
=
j
))
as
[>]
;
rewrite
?lookup_insert
,
?lookup_insert_ne
;
intuition
congruence
.
Qed
.
Lemma
insert_
lookup
{
A
}
(
m
:
M
A
)
i
x
:
m
!!
i
=
Some
x
→
<[
i
:
=
x
]>
m
=
m
.
Lemma
insert_
id
{
A
}
(
m
:
M
A
)
i
x
:
m
!!
i
=
Some
x
→
<[
i
:
=
x
]>
m
=
m
.
Proof
.
intros
;
apply
map_eq
;
intros
j
;
destruct
(
decide
(
i
=
j
))
as
[>]
;
by
rewrite
?lookup_insert
,
?lookup_insert_ne
by
done
.
...
...
theories/list.v
View file @
d67bf19d
...
...
@@ 172,6 +172,15 @@ Definition zipped_map {A B} (f : list A → list A → A → B) :
list A → list A → list B := fix go l k :=
match k with [] => []  x :: k => f l k x :: go (x :: l) k end.
Definition imap2_go {A B C} (f : nat → A → B → C) :
nat → list A → list B → list C:=
fix go (n : nat) (l : list A) (k : list B) :=
match l, k with
 [], _ _, [] => []  x :: l, y :: k => f n x y :: go (S n) l k
end.
Definition imap2 {A B C} (f : nat → A → B → C) :
list A → list B → list C := imap2_go f 0.
Inductive zipped_Forall {A} (P : list A → list A → A → Prop) :
list A → list A → Prop :=
 zipped_Forall_nil l : zipped_Forall P l []
...
...
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