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Joseph Tassarotti
iriscoqpublic
Commits
7cf966c4
Commit
7cf966c4
authored
Aug 25, 2016
by
Robbert Krebbers
Browse files
Make iIntoEntails work when the entails is hidden under a delta.
parent
f83ae863
Changes
1
Hide whitespace changes
Inline
Sidebyside
proofmode/tactics.v
View file @
7cf966c4
...
...
@@ 221,10 +221,12 @@ The tactic instantiates each dependent argument [x_i] with an evar and generates
a
goal
[
P
]
for
non

dependent
arguments
[
x_i
:
P
].
*
)
Tactic
Notation
"iIntoEntails"
open_constr
(
t
)
:=
let
rec
go
t
:=
lazymatch
type
of
t
with
let
tT
:=
type
of
t
in
lazymatch
eval
hnf
in
tT
with

True
⊢
_
=>
apply
t

_
⊢
_
=>
apply
(
uPred
.
entails_wand
_
_
t
)

_
⊣⊢
_
=>
apply
(
uPred
.
equiv_iff
_
_
t
)
(
*
need
to
use
the
unfolded
version
of
[
⊣⊢
]
due
to
the
hnf
*
)

uPred_equiv
'
_
_
=>
apply
(
uPred
.
equiv_iff
_
_
t
)

?
P
→
?
Q
=>
let
H
:=
fresh
in
assert
P
as
H
;
[

go
uconstr
:
(
t
H
);
clear
H
]

∀
_
:
?
T
,
_
=>
(
*
Put
[
T
]
inside
an
[
id
]
to
avoid
TC
inference
from
being
invoked
.
*
)
...
...
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