# RAZ Errata

This is a list of errata for the first edition of Rationality: From AI to Zombies, by Eliezer Yudkowsky. You can add any errors you notice here, or email them to errata@intelligence.org.

Thanks for pointing out these mistakes go to: Gram Stone, Wayne McDougall.

## Important errors

74. Avoiding Your Belief's Real Weak Points

"My point is that, when it comes to spontaneous self-questioning, one is much more likely to spontaneously self-attack strong points with comforting replies to rehearse, then to spontaneously self-attack the weakest, most vulnerable points." should say "than" in place of "then." This is an important meaning difference, albeit one that's easy to glean from context.

## Minor errors

76. Fake Justification

"Renown is one reasonable criteria" should be "Renown is one reasonable criterion"

"then they adjust upward or downward from their starting estimate until they reached an answer that “sounded plausible”; and then they stopped adjusting." should be "then they adjust upward or downward from their starting estimate until they reach an answer that “sounds plausible”; and then they stop adjusting." to maintain tense consistency.

150. The Hidden Complexity of Wishes

"programming an Arithmetic Expert Systems" should be "programming Arithmetic Expert Systems"

157. Similarity Clusters

"these things may serve out to single out only humans" should be "these things may serve to single out only humans"

Interlude: An Intuitive Explanation of Bayes's Theorem

"a women" should be "a woman"

184. Beautiful Probability

"taken as a the limit of a finite process" should be "taken as the limit of a finite process"

187. Perpetual Motion Beliefs

"why couldn’t be the case" should be "why that couldn’t be the case"
"sticking in your finger into boiling water" should be "sticking your finger into boiling water"

204. Bind Yourself to Reality

"Think like Reality" should be capitalized "Think Like Reality".

214. Hands v. Fingers

"That that’s why we have" should be "That’s why we have".

247. Science Isn't Strict Enough

"you could know things without looking them" should be "you could know things without looking at them"