Re: [isabelle] HOL/List.thy lemma suggestions

On Fri, May 18, 2018 at 4:41 PM, Tobias Nipkow <nipkow at> wrote:
> Hi Lukas,
> Your lemmas look natural but replacing the existing simp-rules with them
> broke a number of proofs and didn't help any. Thus I have left things as
> they are. I didn't add them as ordinary lemmas because my impression is that
> in most cases one zips lists of the same length.

Too bad.

Is there a chance to put the two lemmas (without simp attribute) in
the More_List theory in HOL-Library?

That might be an acceptable compromise for everyone.


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