Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
S
stdpp
Project overview
Project overview
Details
Activity
Releases
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
24
Issues
24
List
Boards
Labels
Milestones
Merge Requests
1
Merge Requests
1
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Iris
stdpp
Commits
461bc9c9
Commit
461bc9c9
authored
Nov 16, 2017
by
Ralf Jung
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
f_equiv: comments
parent
e1fff8e2
Changes
1
Hide whitespace changes
Inline
Sidebyside
Showing
1 changed file
with
7 additions
and
7 deletions
+7
7
theories/tactics.v
theories/tactics.v
+7
7
No files found.
theories/tactics.v
View file @
461bc9c9
...
...
@@ 304,18 +304,18 @@ Ltac f_equiv :=


(
?R
_
)
(
?f
_
_
_
_
)
_
=>
simple
apply
(
_
:
Proper
(
R
_
==>
R
_
==>
R
_
==>
R
_
==>
_
)
f
)


(
?R
_
_
)
(
?f
_
_
_
_
)
_
=>
simple
apply
(
_
:
Proper
(
R
_
_
==>
R
_
_
==>
R
_
_
==>
R
_
_
==>
_
)
f
)


(
?R
_
_
_
)
(
?f
_
_
_
_
)
_
=>
simple
apply
(
_
:
Proper
(
R
_
_
_
==>
R
_
_
_
R
_
_
_
==>
R
_
_
_
==>
_
)
f
)
(* Next, try to infer the relation. Unfortunately,
there is an instance
of Proper for (eq ==> _), which will always be matched
. *)
(* Next, try to infer the relation. Unfortunately,
very often, it will turn
the goal into a Leibniz equality so we get stuck
. *)
(* TODO: Can we exclude that instance? *)
(* TODO: If some of the arguments are the same, we could also
query for "pointwise_relation"'s. But that leads to a combinatorial
explosion about which arguments are and which are not the same. *)


?R
(
?f
_
)
_
=>
simple
apply
(
_
:
Proper
(
_
==>
R
)
f
)


?R
(
?f
_
_
)
_
=>
simple
apply
(
_
:
Proper
(
_
==>
_
==>
R
)
f
)


?R
(
?f
_
_
_
)
_
=>
simple
apply
(
_
:
Proper
(
_
==>
_
==>
_
==>
R
)
f
)


?R
(
?f
_
_
_
_
)
_
=>
simple
apply
(
_
:
Proper
(
_
==>
_
==>
_
==>
_
==>
R
)
f
)
(* In case the function symbol differs, but the arguments are the same,
maybe we have a pointwise_relation in our context. *)
(* In case the function symbol differs, but the arguments are the same,
maybe we have a pointwise_relation in our context. *)
(* TODO: If only some of the arguments are the same, we could also
query for "pointwise_relation"'s. But that leads to a combinatorial
explosion about which arguments are and which are not the same. *)

H
:
pointwise_relation
_
?R
?f
?g

?R
(
?f
?x
)
(
?g
?x
)
=>
simple
apply
H
end
;
try
simple
apply
reflexivity
.
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment