R:A-Z Errata

Swimmer963 (Miranda Dixon-Luinenburg) (-1) fixed bold formatting on errata headings
mingyuan (+389/-100)
Ruby (+102/-16)
Rob Bensinger (+431/-20)
Rob Bensinger (+19/-17) formatting
Rob Bensinger (+3025/-634) removed debatable errata; moved substantive errata from 'minor' to important'; added new important and minor errata; changed formatting
Rob Bensinger (-413) Removed some errata that didn't seem obviously like mistakes
Mrtricorder (+867/-8) A few additional errata.
Paul Crowley (+21/-7) If you add errata, add yourself to the thanks list :)
Paul Crowley (+582) /* Minor errors */ add two errors

Errors have been tagged [addressed] if changes have been made in the source files for the upcoming print release of R:AZ. Those errors should not be removed from this page until after the books are released.

 

 

 

 

 

 

 

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 main = do
    putStrLn "Hello,"Hello, what's your name?"
    name <- getLine
    putStrLn ("("Hi " ++++ name ++ "!++ "!")

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ImportantSignificant errors

Interlude - A Technical Explanation of Technical Explanation

  • "0.006 or 6%" should be "0.006 or 0.6%".
  • In the epub version, the exponents display wrong in some places. E.g., 2^"2^265,536536" should be 2^"2^2^65,536.536".

291. Newcomb's Problem and Regret of Rationality

  • The link to Marion Ledwig's PhD thesis should be kops.uni-konstanz.de/bitstream/handle/123456789/3451/ledwig.pdf?sequence=1.

236. Privileging the Hypothesis

  • Various links in this essay are external that would normally be internal links to other book chapters.

Biases:Biases - An Introduction

Interlude:Interlude - An Intuitive Explanation of Bayes's Theorem

Thanks for pointing out these mistakes go to: Viliam Búr, Wayne McDougall, Gram Stone, Daniel Greene, Paul Crowley, Joshua Cogliati.Cogliati, Marcus Yass, and Kevin Today.

28. Conservation of Expected Evidence

  • In the Kindle version, "P(H) = P(H|E) × P(E) + P(H,¬E) × P(¬E)" should instead be "P(H) = P(H|E) × P(E) + P(H|¬E) × P(¬E)". This is correct in the PDF version.

111. The Robbers Cave Experiment

  • "How would they spark an intergroup conflict to investigate? Well, the 22 boys were divided into two groups of 11 campers, and—and that turned out to be quite sufficient." Sherif had previously run a similar experiment at a summer camp in Middle Grove, and found that the campers banded together against the experimenters rather than turning on one another. The Robbers Cave experiment may have gone differently because "there was no mixing at the beginning – neither of the two groups, the Rattlers and the Eagles, were aware of the other’s existence until the second day"; or any number of other factors might have been involved. Regardless, in light of the Middle Grove experiment, the humorous exaggeration that dividing the campers into two groups "turned out to be quite sufficient" seems more misleading.
  • "They named themselves the Rattlers and the Eagles (they hadn’t needed names when they were the only group on the campground)." This is true for the Eagles, but the Rattlers named themselves earlier, before interacting with the other group of campers.
  • The actual experiment still looks fairly informative and interesting even given recent revisions (unlike the Stanford Prison Experiment, which has more or less fallen apart). However, the degree of selective reporting and drive to get the "right" results from the experimenters is a warning sign that the study might be flawed in other, unreported ways. We should therefore be more skeptical of this experiment, and cite it with more caveats than Rationality: From AI to Zombies does.

176. Superexponential Conceptspace, and Simple Words

  • In the epub version, the exponents display wrong in some places. E.g., 2^240 should be 2^2^40.

193. Probability is in the Mind

  • "Let’s say I have four cards, the ace of hearts, the ace of spades, the two of hearts, and the two of spades. I draw two cards at random." is potentially confusing. The intended meaning is that one draws two cards from this set of four; but a natural misinterpretation is that one has a hand consisting of those four cards, and then draws an additional two from elsewhere. This could be made clearer by saying "there are four cards" in place of "I have four cards".

274. Magical Categories

  • In the epub version, the exponents display wrong in some places. E.g., 2^265,536 should be 2^2^65,536.

42. Making History Available

  • In the PDF version, the first closing quotation
...
Read More (20 more words)

42. Making History Available

Reference to the The Logical Fallacy of Generalization from Fictional Evidence should be to chapter 94, not to "Cognitive biases potentially affecting judgment of global risks".

74. Avoiding Your Belief's Real Weak Points

The Eugene Gendlin quotation is from the chapter in "Focusing" titled "The Listening Manual", which is written by Mary Hendricks, Allen Rohlfs and Eugene T. Gendlin.

Thanks for pointing out these mistakes go to: Viliam Búr, Wayne McDougall, Gram Stone, Daniel Greene, Paul Crowley.Crowley, Joshua Cogliati.

74. Avoiding Your Belief's Real Weak Points

The Eugene Gendlin quotation is from the chapter in "Focusing" titled "The Listening Manual", which is written by Mary Hendricks, Allen Rohlfs and Eugene T. Gendlin.

176. Superexponential Conceptspace, and Simple Words

In the epub version, the exponents display wrong in some places. E.g., 2^240 should be 2^2^40.

224. GAZP vs. GLUT

"Heck, you need the ability to write things to memory just so that time can pass for the computation. Unless you think it's possible to program a conscious being in Haskell." A reader pointed out that this could be plausibly done by using IO Monads.

Haskell example:

 main = do
    putStrLn "Hello, what's your name?"
    name <- getLine
    putStrLn ("Hi " ++ name ++ "!")

In the epub version, the exponents display wrong in some places. E.g., 2^265,536 should be 2^2^65,536.

Thanks for pointing out these mistakes go to: Viliam Búr, Wayne McDougall, Gram Stone, Daniel Greene.Greene, Paul Crowley.

42. Making History Available

Reference to the The Logical Fallacy of Generalization from Fictional Evidence should be to chapter 94, not to "Cognitive biases potentially affecting judgment of global risks".

The Twelve Virtues of Rationality

Should be just "Twelve Virtues of Rationality". There are places it's named that also need to be corrected: "Biases: an introduction", "Something to Protect", "The Virtue of Narrowness", "The Meditation on Curiosity". Eliezer hasn't been consistent about this himself, but I think "Twelve Virtues" is clearly superior to "The Twelve Virtues" :)

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