Harry literally obliviated everything in his memory, which would presumably include knowledge of any anti-obliviation counter measures
LV would anticipate this, so he should have something set up that will explain it all over to him again, automatically. Compare Fiona in Harry Potter and the Natural 20; LV could have done what she did, and she used no magic (and no Muggle technology more advanced than audiocassette recordings).
Um, that doesn't apply to anything Tom Riddle needed to learn from the basilisk. Which he actually did kill, to judge from the spiders (ha) and the lack of basilisk in the Tunnels of Secrets.
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 114, and also, as a special case due to the exceptionally close posting times, chapter 115.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)