Re: [isabelle] Isabelle2016-RC0 - using goal_cases correctly
in Isabelle 2015, I could write:
proof (rule Y)
In Isabelle 2016, I can write:
apply (rule Y)
Or I could write
proof(rule Y, goal_cases)
Is there a nicer way to combine the rule and goal_cases method? Is
this the intended usage?
2016-01-01 20:17 GMT+01:00 Makarius <makarius at sketis.net>:
> Dear Isabelle users,
> the coming Isabelle2016 release is scheduled for February 2016, after the
> next big Java 8 update by Oracle in January and some weeks before the
> deadline of ITP 2016.
> To get started with systematic testing there is now the relatively early
> http://isabelle.in.tum.de/website-Isabelle2016-RC0 (corresponding to
> Isabelle/e18444532fce and AFP/c62777f3e932).
> The website, NEWS, ANNOUNCE etc. are already mostly up-to-date. Some
> documentation is still lagging behind, notably the Isabelle/jEdit manual.
> There are further fine points still to be sorted out.
> When discussing problems, observations, suggustions, etc. the mail subject
> line should be changed to something meaningful (but the release candidate
> number still given in the message body).
> As usual it is important to keep general laws of causality in mind: release
> candidates may still change, but the final release is final. Although this
> is tautological, in the past few releases we've often had complaints right
> after final lift-off, when it was too late.
> So the best time to start testing is now.
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