<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8" /></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I currently supervise a student who's investigating proof refactoring. One possible outcome of this would be a tool that also does what you suggested. It's a little too early to tell, though.<br>
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Cheers<br>
Lars<br><br><div class="gmail_quote">On 8 July 2017 23:28:42 CEST, Lawrence Paulson <lp15@cam.ac.uk> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
No, that’s precisely what I’d like to avoid. I prefer texts that you can actually read. It would be great to have something automatically generated, even if it needed manual tweaking (e.g. to rename variables).<div class=""><br class="" /></div><div class="">And I’ve gone to some effort purging instances of “guess” from existing proofs.</div><div class=""><br class="" /><div class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0;"><div class="">Larry</div></span>
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<br class="" /><div><blockquote type="cite" class=""><div class="">On 8 Jul 2017, at 22:16, Peter Lammich <<a href="mailto:lammich@in.tum.de" class="">lammich@in.tum.de</a>> wrote:</div><br class="Apple-interchange-newline" /><div class=""><span style="font-family: LucidaGrande; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">We already have proof goal_cases. Is that what you mean?</span><br style="font-family: LucidaGrande; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="" /></div></blockquote></div><br class="" /></div></blockquote></div></body></html>