Harry Potter and the Methods of Rationality

***Harry Potter and the Methods of Rationality*** is a fantasy webserial created by Eliezer Yudkowsky. It is finished and is an authorized, ad-free mirror of Eliezer Yudkowsky‘s Harry Potter fanfic.

## Chapters

* Chapter 1: A Day of Very Low Probability
* Chapter 2: Everything I Believe Is False
* Chapter 3: Comparing Reality To Its Alternatives
* Chapter 4: The Efficient Market Hypothesis
* Chapter 5: The Fundamental Attribution Error
* Chapter 6: The Planning Fallacy
* Chapter 7: Reciprocation
* Chapter 8: Positive Bias
* Chapter 9: Title Redacted, Part I
* Chapter 10: Self Awareness, Part II
* Chapter 11: Omake Files 1, 2, 3
* Chapter 12: Impulse Control
* Chapter 13: Asking the Wrong Questions
* Chapter 14: The Unknown and the Unknowable
* Chapter 15: Conscientiousness
* Chapter 16: Lateral Thinking
* Chapter 17: Locating the Hypothesis
* Chapter 18: Dominance Hierarchies
* Chapter 19: Delayed Gratification
* Chapter 20: Bayes's Theorem
* Chapter 21: Rationalization
* Chapter 22: The Scientific Method
* Chapter 23: Belief in Belief
* Chapter 24: Machiavellian Intelligence Hypothesis
* Chapter 25: Hold Off on Proposing Solutions
* Chapter 26: Noticing Confusion
* Chapter 27: Empathy
* Chapter 28: Reductionism
* Chapter 29: Egocentric Bias
* Chapter 30: Working in Groups, Pt 1
* Chapter 31: Working in Groups, Pt 2
* Chapter 32: Interlude: Personal Financial Management
* Chapter 33: Coordination Problems, Pt 1
* Chapter 34: Coordination Problems, Pt 2
* Chapter 35: Coordination Problems, Pt 3
* Chapter 36: Status Differentials
* Chapter 37: Interlude: Crossing the Boundary
* Chapter 38: The Cardinal Sin
* Chapter 39: Pretending to be Wise, Pt 1
* Chapter 40: Pretending to be Wise, Pt 2
* Chapter 41: Frontal Override
* Chapter 42: Courage
* Chapter 43: Humanism, Pt 1
* Chapter 44: Humanism, Pt 2
* Chapter 45: Humanism, Pt 3
* Chapter 46: Humanism, Pt 4
* Chapter 47: Personhood Theory
* Chapter 48: Utilitarian Priorities
* Chapter 49: Prior Information
* Chapter 50: Self Centeredness
* Chapter 51: Title Redacted, Pt 1
* Chapter 52: The Stanford Prison Experiment, Pt 2
* Chapter 53: The Stanford Prison Experiment, Pt 3
* Chapter 54: The Stanford Prison Experiment, Pt 4
* Chapter 55: The Stanford Prison Experiment, Pt 5
* Chapter 56: TSPE, Constrained Optimization, Pt 6
* Chapter 57: TSPE, Constrained Cognition, Pt 7
* Chapter 58: TSPE, Constrained Cognition, Pt 8
* Chapter 59: TSPE, Curiosity, Pt 9
* Chapter 60: The Stanford Prison Experiment, Pt 10
* Chapter 61: TSPE, Secrecy and Openness, Pt 11
* Chapter 62: The Stanford Prison Experiment, Final
* Chapter 63: TSPE, Aftermaths
* Chapter 64: Omake Files 4, Alternate Parallels
* Chapter 65: Contagious Lies
* Chapter 66: Self Actualization, Pt 1
* Chapter 67: Self Actualization, Pt 2
* Chapter 68: Self Actualization, Pt 3
* Chapter 69: Self Actualization, Pt 4
* Chapter 70: Self Actualization, Pt 5
* Chapter 71: Self Actualization, Pt 6
* Chapter 72: SA, Plausible Deniability, Pt 7
* Chapter 73: SA, The Sacred and the Mundane, Pt 8
* Chapter 74: SA, Escalation of Conflicts, Pt 9
* Chapter 75: Self Actualization Final, Responsibility
* Chapter 76: Interlude with the Confessor: Sunk Costs
* Chapter 77: SA, Aftermaths: Surface Appearances
* Chapter 78: Taboo Tradeoffs Prelude: Cheating
* Chapter 79: Taboo Tradeoffs, Pt 1
* Chapter 80: Taboo Tradeoffs, Pt 2, The Horns Effect
* Chapter 81: Taboo Tradeoffs, Pt 3
* Chapter 82: Taboo Tradeoffs, Final
* Chapter 83: Taboo Tradeoffs, Aftermath 1
* Chapter 84: Taboo Tradeoffs, Aftermath 2
* Chapter 85: Taboo Tradeoffs, Aftermath 3, Distance
* Chapter 86: Multiple Hypothesis Testing
* Chapter 87: Hedonic Awareness
* Chapter 88: Time Pressure, Pt 1
* Chapter 89: Time Pressure, Pt 2
* Chapter 90: Roles, Pt 1
* Chapter 91: Roles, Pt 2
* Chapter 92: Roles, Pt 3
* Chapter 93: Roles, Pt 4
* Chapter 94: Roles, Pt 5
* Chapter 95: Roles, Pt 6
* Chapter 96: Roles, Pt 7
* Chapter 97: Roles, Pt 8
* Chapter 98: Roles, Final
* Chapter 99: Roles, Aftermath
* Chapter 100: Precautionary Measures, Pt 1
* Chapter 101: Precautionary Measures, Pt 2
* Chapter 102: Caring
* Chapter 103: Tests
* Chapter 104: The Truth, Pt 1, Riddles and Answers
* Chapter 105: The Truth, Pt 2
* Chapter 106: The Truth, Pt 3
* Chapter 107: The Truth, Pt 4
* Chapter 108: The Truth, Pt 5, Answers and Riddles
* Chapter 109: Reflections
* Chapter 110: Reflections, Pt 2
* Chapter 111: Failure, Pt 1
* Chapter 112: Failure, Pt 2
* Chapter 113: Final Exam
* Chapter 114: Shut Up and Do The Impossible
* Chapter 115: Shut Up and Do The Impossible, Pt 2
* Chapter 116: Aftermath, Something to Protect, Pt 0
* Chapter 117: Something to Protect: Minerva McGonagall
* Chapter 118: Something to Protect: Professor Quirrell
* Chapter 119: Something to Protect: Albus Dumbledore
* Chapter 120: Something to Protect: Draco Malfoy
* Chapter 121: Something to Protect: Severus Snape
* Chapter 122: Something to Protect: Hermione Granger

## External Links

* This web serial on the official website
* Full wiki