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Tej Chajed
stdpp
Commits
e920e294
Commit
e920e294
authored
Jul 12, 2016
by
Robbert Krebbers
Browse files
Turn unused disjoint_union_difference into something more sensible.
parent
4b0905e4
Changes
1
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Inline
Side-by-side
theories/collections.v
View file @
e920e294
...
...
@@ -418,7 +418,7 @@ Section collection.
Proof
.
set_solver
.
Qed
.
Lemma
difference_intersection_distr_l
X
Y
Z
:
(
X
∩
Y
)
∖
Z
≡
X
∖
Z
∩
Y
∖
Z
.
Proof
.
set_solver
.
Qed
.
Lemma
di
sjoint_union_difference
X
Y
:
X
⊥
Y
→
(
X
∪
Y
)
∖
X
≡
Y
.
Lemma
di
fference_disjoint
X
Y
:
X
⊥
Y
→
X
∖
Y
≡
X
.
Proof
.
set_solver
.
Qed
.
Section
leibniz
.
...
...
@@ -438,8 +438,8 @@ Section collection.
Lemma
difference_intersection_distr_l_L
X
Y
Z
:
(
X
∩
Y
)
∖
Z
=
X
∖
Z
∩
Y
∖
Z
.
Proof
.
unfold_leibniz
.
apply
difference_intersection_distr_l
.
Qed
.
Lemma
di
sjoint_union_difference
_L
X
Y
:
X
⊥
Y
→
(
X
∪
Y
)
∖
X
=
Y
.
Proof
.
unfold_leibniz
.
apply
di
sjoint_union_difference
.
Qed
.
Lemma
di
fference_disjoint
_L
X
Y
:
X
⊥
Y
→
X
∖
Y
=
X
.
Proof
.
unfold_leibniz
.
apply
di
fference_disjoint
.
Qed
.
End
leibniz
.
Section
dec
.
...
...
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