1: HJPEV and the Methods of Rationality

Aug 23, 2017

by Eliezer Yudkowsky

Harry: You can't DO that!

Minerva McGonagall: It's only a transfiguration; an animagus transformation, to be exact—

Harry: You turned into a cat! A SMALL cat! You violated Conservation of Energy! That's not just an arbitrary rule, it's implied by the form of the quantum Hamiltonian! Rejecting it destroys unitarity and then you get FTL signaling! And cats are COMPLICATED! A human mind can't just visualize a whole cat's anatomy and, and all the cat biochemistry, and what about the neurology? How can you go on thinking using a cat-sized brain?

Minerva: Magic.

Harry: Magic isn't enough to do that! You'd have to be a god!

Minerva: ... that's the first time I've been called that.

—Harry's first encounter with magic

Book the First

Chapters 1 - 20

Chapter 1: A Day of Very Low Probability

144y9 min readShow Highlight
9

Chapter 2: Everything I Believe is False

84y4 min readShow Highlight
2

Chapter 3: Comparing Reality To Its Alternatives

74y6 min readShow Highlight
4

Chapter 4: The Efficient Market Hypothesis

74y6 min readShow Highlight
1

Chapter 5: The Fundamental Attribution Error

104y10 min readShow Highlight
2

Chapter 6: The Planning Fallacy

94y32 min readShow Highlight
0

Chapter 7: Reciprocation

104y35 min readShow Highlight
1

Chapter 8: Positive Bias

54y19 min readShow Highlight
0

Chapter 9: Title Redacted, Part 1

44y7 min readShow Highlight
0

Chapter 10: Self Awareness, Part II

44y13 min readShow Highlight
0

Chapter 11: Omake Files 1, 2, 3

54y9 min readShow Highlight
1

Chapter 12: Impulse Control

54y12 min readShow Highlight
1

Chapter 13: Asking the Wrong Questions

44y21 min readShow Highlight
1

Chapter 14: The Unknown and the Unknowable

64y16 min readShow Highlight
2

Chapter 15: Conscientiousness

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0

Chapter 16: Lateral Thinking

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Chapter 17: Locating the Hypothesis

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Chapter 18: Dominance Hierarchies

54y30 min readShow Highlight
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Chapter 19: Delayed Gratification

54y25 min readShow Highlight
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Chapter 20: Bayes's Theorem

64y19 min readShow Highlight
0