Re: [isabelle] easy going with trivial cases in inductive proofs



Carsten Varming a écrit :
Hi,

I am trying to use the Isar proof language to write nice inductive
proofs. Some of my proofs have two or three interesting cases and a ton
of trivial cases dealt with by a line for each case, eg:

case Lookup thus ?case by auto next
case Seq thus ?case by auto next
case Update thus ?case by auto next
case UpdateA thus ?case by auto next

Is there some way to tell Isabelle using Isar that for the yet to be
proved cases do:

case * thus ?case by auto next

It just not fun having to write a line for each trivial case.

Carsten

Hi,

Yes there is, you can just put your automatic tactic between () at the end of the manual cases at the qed.

case Foo thus ?case by ....

qed (auto)  (* Lookup Seq Update UpdateA  are solved by auto *)

Best wishes,

Julien





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