Friendly, but Dumb: Why for­mal Friendli­ness proofs may not be as safe as they appear

The (Boltz­mann) Brain-In-A-Jar

The Fun­da­men­tal Question

a meta-anti-akra­sia strat­egy that might just work

Might law save us from un­car­ing AI?

VNM ex­pected util­ity the­ory: uses, abuses, and interpretation

Elud­ing At­ten­tion Hijacks

At­ten­tion Lurk­ers: Please say hi

When is forced or­gan self­ish­ness good for you?

The Con­cepts Problem

Self-in­di­ca­tion as­sump­tion is wrong for in­ter­est­ing reasons

The many faces of status

A LessWrong poster for the Hu­man­ity+ con­fer­ence next Saturday

How does in­for­ma­tion af­fect hookups?

Prefer­ence util­i­tar­ian mea­sure of his­tor­i­cal welfare

Ugh fields

Self-mod­ifi­ca­tion is the cor­rect jus­tifi­ca­tion for up­date­less de­ci­sion theory

Sin­gu­lar­ity Call For Papers

Meetup af­ter Hu­man­ity+ , Lon­don, Satur­day 2010-04-24?

The Last Number

Swim­ming in Reasons

Bos­ton area meetup April 18

Fre­quen­tist Magic vs. Bayesian Magic

Ureshiku Naritai

Open Thread: April 2010, Part 2

Pain and gain motivation

Sin­gle Point of Mo­ral Failure

Lampshading

An­thropic an­swers to log­i­cal un­cer­tain­ties?

Late Great Filter Is Not Bad News

Free copy of Feyn­man’s au­to­bi­og­ra­phy for best corny ra­tio­nal­ist joke

Bayesian Col­lab­o­ra­tive Filtering

Less Wrong Lon­don meetup, to­mor­row (Sun­day 2010-04-04) 16:00

An­nounc­ing the Less Wrong Sub-Reddit

Ra­tion­al­ity quotes: April 2010

What is Ra­tion­al­ity?

The hu­man problem

Open Thread: April 2010

The role of neode­con­struc­tive ra­tio­nal­ism in the works of Less Wrong

Loleliezers

City of Lights

Disam­biguat­ing Doom

Even if you have a nail, not all ham­mers are the same

NYC Ra­tion­al­ist Community

High­lights and Shadows

The I-Less Eye

Men­tal Models

It’s not like any­thing to be a bat

Ad­dresses in the Multiverse

New­comb’s prob­lem hap­pened to me