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stdpp
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2ffa9271
Commit
2ffa9271
authored
Aug 27, 2019
by
Michael Sammler
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Lemmas for fin_maps
parent
aa051883
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fin_maps.v
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theories/fin_maps.v
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2ffa9271
...
...
@@ 1190,6 +1190,9 @@ Proof.
Qed
.
Lemma
map_Forall_delete
m
i
:
map_Forall
P
m
→
map_Forall
P
(
delete
i
m
).
Proof
.
intros
Hm
j
x
;
rewrite
lookup_delete_Some
.
naive_solver
.
Qed
.
Lemma
map_Forall_foldr_delete
m
is
:
map_Forall
P
m
→
map_Forall
P
(
foldr
delete
m
is
).
Proof
.
induction
is
;
eauto
using
map_Forall_delete
.
Qed
.
Lemma
map_Forall_ind
(
Q
:
M
A
→
Prop
)
:
Q
∅
→
(
∀
m
i
x
,
m
!!
i
=
None
→
P
i
x
→
map_Forall
P
m
→
Q
m
→
Q
(<[
i
:=
x
]>
m
))
→
...
...
@@ 1604,6 +1607,9 @@ Proof. intros A ?. by apply union_with_idemp. Qed.
Lemma
lookup_union
{
A
}
(
m1
m2
:
M
A
)
i
:
(
m1
∪
m2
)
!!
i
=
union_with
(
λ
x
_,
Some
x
)
(
m1
!!
i
)
(
m2
!!
i
).
Proof
.
apply
lookup_union_with
.
Qed
.
Lemma
lookup_union_r
{
A
}
(
m1
m2
:
M
A
)
i
:
m1
!!
i
=
None
→
(
m1
∪
m2
)
!!
i
=
m2
!!
i
.
Proof
.
intros
Hi
.
by
rewrite
lookup_union
,
Hi
,
(
left_id_L
_
_).
Qed
.
Lemma
lookup_union_Some_raw
{
A
}
(
m1
m2
:
M
A
)
i
x
:
(
m1
∪
m2
)
!!
i
=
Some
x
↔
m1
!!
i
=
Some
x
∨
(
m1
!!
i
=
None
∧
m2
!!
i
=
Some
x
).
...
...
@@ 1761,6 +1767,22 @@ Qed.
Lemma
delete_union
{
A
}
(
m1
m2
:
M
A
)
i
:
delete
i
(
m1
∪
m2
)
=
delete
i
m1
∪
delete
i
m2
.
Proof
.
apply
delete_union_with
.
Qed
.
Lemma
map_Forall_union_11
{
A
}
(
m1
m2
:
M
A
)
P
:
map_Forall
P
(
m1
∪
m2
)
→
map_Forall
P
m1
.
Proof
.
intros
HP
i
x
?.
apply
HP
,
lookup_union_Some_raw
;
auto
.
Qed
.
Lemma
map_Forall_union_12
{
A
}
(
m1
m2
:
M
A
)
P
:
m1
##
ₘ
m2
→
map_Forall
P
(
m1
∪
m2
)
→
map_Forall
P
m2
.
Proof
.
intros
?
HP
i
x
?.
apply
HP
,
lookup_union_Some
;
auto
.
Qed
.
Lemma
map_Forall_union_2
{
A
}
(
m1
m2
:
M
A
)
P
:
map_Forall
P
m1
→
map_Forall
P
m2
→
map_Forall
P
(
m1
∪
m2
).
Proof
.
intros
????
[[]]%
lookup_union_Some_raw
;
eauto
.
Qed
.
Lemma
map_Forall_union
{
A
}
(
m1
m2
:
M
A
)
P
:
m1
##
ₘ
m2
→
map_Forall
P
(
m1
∪
m2
)
↔
map_Forall
P
m1
∧
map_Forall
P
m2
.
Proof
.
naive_solver
eauto
using
map_Forall_union_11
,
map_Forall_union_12
,
map_Forall_union_2
.
Qed
.
(** ** Properties of the [union_list] operation *)
Lemma
map_disjoint_union_list_l
{
A
}
(
ms
:
list
(
M
A
))
(
m
:
M
A
)
:
...
...
@@ 1795,9 +1817,21 @@ Proof.
induction
is
;
simpl
;
[
done
].
rewrite
elem_of_cons
;
intros
.
rewrite
lookup_delete_ne
;
intuition
.
Qed
.
Lemma
lookup_foldr_delete_Some
{
A
}
(
m
:
M
A
)
is
j
y
:
foldr
delete
m
is
!!
j
=
Some
y
↔
j
∉
is
∧
m
!!
j
=
Some
y
.
Proof
.
induction
is
;
simpl
;
rewrite
?
lookup_delete_Some
;
set_solver
.
Qed
.
Lemma
foldr_delete_notin
{
A
}
(
m
:
M
A
)
is
:
Forall
(
λ
i
,
m
!!
i
=
None
)
is
→
foldr
delete
m
is
=
m
.
Proof
.
induction
1
;
simpl
;
[
done
].
rewrite
delete_notin
;
congruence
.
Qed
.
Lemma
foldr_delete_commute
{
A
}
(
m
:
M
A
)
is
j
:
delete
j
(
foldr
delete
m
is
)
=
foldr
delete
(
delete
j
m
)
is
.
Proof
.
induction
is
as
[??
IH
];
[
done

].
simpl
.
by
rewrite
delete_commute
,
IH
.
Qed
.
Lemma
foldr_delete_insert
{
A
}
(
m
:
M
A
)
is
j
x
:
j
∈
is
→
foldr
delete
(<[
j
:=
x
]>
m
)
is
=
foldr
delete
m
is
.
Proof
.
induction
1
as
[
i
is

j
i
is
?
IH
];
simpl
;
[
by
rewrite
IH
].
by
rewrite
!
foldr_delete_commute
,
delete_insert_delete
.
Qed
.
Lemma
foldr_delete_insert_ne
{
A
}
(
m
:
M
A
)
is
j
x
:
j
∉
is
→
foldr
delete
(<[
j
:=
x
]>
m
)
is
=
<[
j
:=
x
]>(
foldr
delete
m
is
).
Proof
.
...
...
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