TMBR: July 2026: Difference between revisions

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Added new SK calculus champions
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Holdouts: New solved TM
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== Holdouts ==
== Holdouts ==
* [[BB(6)]]:
* [[BB(6)]]:
** mxdys solved three holdouts in rocq.<sup>[https://discord.com/channels/960643023006490684/1239205785913790465/1522010493529751604][https://discord.com/channels/960643023006490684/1239205785913790465/1522209150699044904]</sup>
** On 2 July, mxdys solved three holdouts in rocq.<sup>[https://discord.com/channels/960643023006490684/1239205785913790465/1522010493529751604][https://discord.com/channels/960643023006490684/1239205785913790465/1522209150699044904]</sup>
** On 3 July, mxdys [https://discord.com/channels/960643023006490684/1239205785913790465/1522617640554860574 solved another holdout] in rocq using an LLM.
* [[BB(4,3)]]:
* [[BB(4,3)]]:
** Andrew Ducharme reduced the number of holdouts from 4,784,443 to '''4,776,646''', a '''0.16%''' reduction.<sup>[https://discord.com/channels/960643023006490684/1084047886494470185/1522168741922607164]</sup>
** Andrew Ducharme reduced the number of holdouts from 4,784,443 to '''4,776,646''', a '''0.16%''' reduction.<sup>[https://discord.com/channels/960643023006490684/1084047886494470185/1522168741922607164]</sup>

Revision as of 16:11, 3 July 2026

Prev: June 2026 This Month in Beaver Research Next: August 2026

This edition of TMBR is in progress and has not yet been released. Please add any notes you think may be relevant (including in the form a of a TODO with a link to any relevant Discord discussion).

BB Adjacent

SK Calculus:

  • New champions were discovered for BBSK(12) and BBSK(13).

Holdouts

  • BB(6):
  • BB(4,3):
    • Andrew Ducharme reduced the number of holdouts from 4,784,443 to 4,776,646, a 0.16% reduction.[3]
  • BB(2,7):
    • Terry Ligocki enumerated 10K more subtasks, increasing the number of holdouts to 1,651,063,346. A total of 530K subtasks out of the 1 million subtasks (or 53%) have been enumerated.