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2227cd66
Commit
2227cd66
authored
Oct 03, 2016
by
Robbert Krebbers
Browse files
Non step-indexed laws about exclusive and Some.
parent
d47d99dd
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#2750
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algebra/cmra.v
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2227cd66
...
...
@@ -1201,6 +1201,11 @@ Section option.
✓
{
n
}
(
my
⋅
Some
x
)
→
my
=
None
.
Proof
.
rewrite
comm
.
by
apply
exclusiveN_Some_l
.
Qed
.
Lemma
exclusive_Some_l
x
`
{!
Exclusive
x
}
my
:
✓
(
Some
x
⋅
my
)
→
my
=
None
.
Proof
.
destruct
my
.
move
=>
/(
exclusive_l
x
)
[].
done
.
Qed
.
Lemma
exclusive_Some_r
x
`
{!
Exclusive
x
}
my
:
✓
(
my
⋅
Some
x
)
→
my
=
None
.
Proof
.
rewrite
comm
.
by
apply
exclusive_Some_l
.
Qed
.
Lemma
Some_included
x
y
:
Some
x
≼
Some
y
↔
x
≡
y
∨
x
≼
y
.
Proof
.
rewrite
option_included
;
naive_solver
.
Qed
.
Lemma
Some_included'
`
{
CMRATotal
A
}
x
y
:
Some
x
≼
Some
y
↔
x
≡
y
∨
x
≼
y
.
...
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