Naming issue for IMO_2006_p6

[albertqjiang]

https://github.com/facebookresearch/miniF2F/blob/5271ddec788677c815cf818a06f368ef6498a106/isabelle/valid/imo_2006_p6.thy

This looks like a formalization of this question (IMO_2006_p3) instead: https://artofproblemsolving.com/wiki/index.php/2006_IMO_Problems/Problem_3.

Raised by Eric Wieser on Zulip.

[DyeKuu]

Thanks Albert! Will be working on it.