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Rodolphe Lepigre
Iris
Commits
2708e2c5
Commit
2708e2c5
authored
Oct 28, 2017
by
Ralf Jung
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tweak CHANGELOG
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CHANGELOG.md
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2708e2c5
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@@ -9,16 +9,16 @@ Changes in and extensions of the theory:
*
[#] Add new modality: ■ ("plainly").
*
[#] Camera morphisms have to be homomorphisms, not just monotone functions.
*
[#] A proof that
`f`
has a fixed point if
`f^k`
is contractive.
*
[#] A
dd a
proof that
`f`
has a fixed point if
`f^k`
is contractive.
*
Constructions for least and greatest fixed points over monotone predicates
(defined in the logic of Iris using impredicative quantification).
*
A proof of the inverse of
`wp_bind`
.
Changes in Coq:
*
S
ome things
got renamed and
notation
changed
:
*
Rename s
ome things
and change
notation:
-
The unit of a camera:
`empty`
->
`unit`
,
`∅`
->
`ε`
-
The
proof mode type class
`IntoOp`
->
`IsOp`
-
A
proof mode type class
`IntoOp`
->
`IsOp`
-
OFEs with all elements being discrete:
`Discrete`
->
`OfeDiscrete`
-
OFE elements whose equality is discrete:
`Timeless`
->
`Discrete`
-
Timeless propositions:
`TimelessP`
->
`Timeless`
...
...
@@ -64,29 +64,27 @@ sed 's/\bPersistentP\b/Persistent/g; s/\bTimelessP\b/Timeless/g; s/\bCMRADiscret
-
There is a new connective
`tc_opaque`
, which can be used to make definitions
opaque for type classes, and thus opaque for most tactics of the proof
mode.
-
Many missing type class instances for distributing connectives have been
defined.
-
The tactics
`iIntros (?)`
and
`iIntros "!#"`
(i.e.
`iAlways`
) are now
implemented using type classes. That way, they are more generic, e.g.
`iIntros (?)`
also works when the universal quantifier is below a modality,
and
`iAlways`
also works for the plainness modality. A breaking change,
however, is that these tactics now no longer work when the universal
quantifier or modality is behind a type class opaque definition.
Furthermore, this can change the name of anonymous identifiers introduced
with the "%" pattern.
*
The generic
`fill`
operation of the
`ectxi_language`
construct has been
defined in terms of a left fold instead of a right fold. This gives rise to
more definitional equalities.
*
The big operators have been improved:
-
Define Many missing type class instances for distributing connectives.
-
Implement the tactics
`iIntros (?)`
and
`iIntros "!#"`
(i.e.
`iAlways`
)
using type classes. This makes them more generic, e.g.,
`iIntros (?)`
also
works when the universal quantifier is below a modality, and
`iAlways`
also
works for the plainness modality. A breaking change, however, is that these
tactics now no longer work when the universal quantifier or modality is
behind a type class opaque definition. Furthermore, this can change the
name of anonymous identifiers introduced with the "%" pattern.
*
Define the generic
`fill`
operation of the
`ectxi_language`
construct in terms
of a left fold instead of a right fold. This gives rise to more definitional
equalities.
*
Improved big operators:
+
They are no longer tied to cameras, but work on any monoid
+
The version of big operations over lists was redefined so that it enjoy
more
definitional equalities.
+
The version of big operations over lists was redefined so that it enjoy
s
more
definitional equalities.
*
Various improvements to
`solve_ndisj`
.
*
Improve handling of pure (non-state-dependent) reductions in heap_lang.
*
Use
`Hint Mode`
to prevent Coq from making arbitrary guesses in the presence
of evars, which often led to divergence. There are a few places where type
annotations are now needed.
*
T
he
`prelude`
folder
has been moved
to its own project: std++
*
Move t
he
`prelude`
folder to its own project: std++
## Iris 3.0.0 (released 2017-01-11)
...
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