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Tutorial POPL18
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373c84a5
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373c84a5
authored
May 12, 2019
by
Robbert Krebbers
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Fix typo.
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exercises/ex_01_swap.v
exercises/ex_01_swap.v
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solutions/ex_01_swap.v
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exercises/ex_01_swap.v
View file @
373c84a5
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@@ -46,7 +46,7 @@ Lemma swap_spec x y v1 v2 :
Which is logically equivalent to [ P -∗ WP e {{ x, x = v ∗ Q }} ]
In practice, the "Texan triple" is not more difficult to prove, but usually
easier to use other proofs, because the post-condition does not have to
easier to use
in
other proofs, because the post-condition does not have to
syntactically match [Q]. Using this way of stating specifications, the
consequence and framing rule is implicitly applied on the post-condition.
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solutions/ex_01_swap.v
View file @
373c84a5
...
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@@ -46,7 +46,7 @@ Lemma swap_spec x y v1 v2 :
Which is logically equivalent to [ P -∗ WP e {{ x, x = v ∗ Q }} ]
In practice, the "Texan triple" is not more difficult to prove, but usually
easier to use other proofs, because the post-condition does not have to
easier to use
in
other proofs, because the post-condition does not have to
syntactically match [Q]. Using this way of stating specifications, the
consequence and framing rule is implicitly applied on the post-condition.
...
...
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