> On Jul 5, 2022, at 1:18 PM, savask <[email protected]> wrote:
>
> In the post repeatedly re-proven statements David A. Wheeler found statements
> which appear in different proofs again and again. I decided to search for
> "repeatedly re-proven lemmata", i.e. sequences of theorem labels which often
> appear as sub-proofs in other theorems.
Awesome! Just like my approach that you cited, I think of such lists as an
*indicator* of potential new theorems to add. Specific theorems should be
created, then added or rejected on their own terms.
That said, I think adding *some* such theorems can help shorten some proofs.
They can also simplify creating some proofs - tools can automatically detect
when those patterns are matched & use them directly.
--- David A. Wheeler
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