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David Swasey
coqstdpp
Commits
84fa254a
Commit
84fa254a
authored
Oct 09, 2017
by
Ralf Jung
Browse files
solve_proper: be sure to run simpl at least once
parent
e67daba3
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theories/tactics.v
theories/tactics.v
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theories/tactics.v
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84fa254a
...
...
@@ 333,7 +333,7 @@ Ltac solve_proper_unfold :=


?R
(
?f
_
_
_
)
(
?f
_
_
_
)
=>
unfold
f


?R
(
?f
_
_
)
(
?f
_
_
)
=>
unfold
f


?R
(
?f
_
)
(
?f
_
)
=>
unfold
f
end
;
simpl
.
end
.
(** The tactic [solve_proper_core tac] solves goals of the form "Proper (R1 ==> R2)", for
any number of relations. The actual work is done by repeatedly applying
...
...
@@ 349,7 +349,7 @@ Ltac solve_proper_core tac :=
end
;
simplify_eq
;
(* Now do the job. We try with and without unfolding. We have to backtrack on
that because unfolding may succeed, but then the proof may fail. *)
(
solve_proper_unfold
+
idtac
)
;
(
solve_proper_unfold
+
idtac
)
;
simpl
;
solve
[
repeat
first
[
eassumption

tac
()]
].
Ltac
solve_proper
:
=
solve_proper_core
ltac
:
(
fun
_
=>
f_equiv
).
...
...
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