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stdpp
Commits
29a0e002
Commit
29a0e002
authored
Apr 21, 2018
by
Ralf Jung
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f_equiv: recognize 2-level pointwise_relation
parent
cae9ec0f
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#8117
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theories/tactics.v
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29a0e002
...
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@@ -316,6 +316,7 @@ Ltac f_equiv :=
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
|
H
:
pointwise_relation
_
(
pointwise_relation
_
?R
)
?f
?g
|-
?R
(
?f
?x
?y
)
(
?g
?x
?y
)
=>
simple
apply
H
end
;
try
simple
apply
reflexivity
.
Tactic
Notation
"f_equiv"
"/="
:
=
csimpl
in
*
;
f_equiv
.
...
...
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