Richard Pettigrew @Wiglet1981 Twitter profile

Last Seen Profiles

@precioussounds1

@markerguru

@lifeispoetry_

@EVA_D55

@AndrewClopton_

@StellaGoetiaFan

@Loserman30

@Tsucchi_1981

@leduong79

@Jallen_2000

@MichelleTh18981

@jonathanvicent

@INVERSIONESCOR4

@chiefdave777

@grownish

@321Boon_

@MovilidadZap

@pchpcompiler

@CanoYoshio

@PhilipBiosk

@erenk_16

@sandrinhabakuga

@blauwclsd

@BputoB

@TaiBreez

@midieeop

@OxfordStudents

@_oBetho

@captainfutura

@zhitong_lu

@nekrosgod

@nate_arw

@cmsn61

@lplpyyds

@TheSavageHamza

@galoucura_1984

Richard Pettigrew

@Wiglet1981

3 months

not sure I’d have used Sisyphus as the inspiration for this meme

38

490

12K

Richard Pettigrew

@Wiglet1981

4 months

outstanding stuff from iris murdoch

1

75

683

Richard Pettigrew

@Wiglet1981

2 months

reviewer #2 : the argument could do with a bit more signposting my resubmission:

Maxim Leyzerovich

@round

2 months

60

101

2K

1

13

150

Richard Pettigrew

@Wiglet1981

2 months

same energy

cabby

@cabby

2 months

these pictures are unbelievable

372

21K

215K

0

12

103

Richard Pettigrew

@Wiglet1981

2 months

can’t believe the president of the usa can now legally download papers from philosophy documentation centre

0

13

87

Richard Pettigrew

@Wiglet1981

2 months

What are the best things to read on how cognitive scientists and empirically-minded philosophers of mind think about concepts, eg, what they are, how we form them, how we use them, how they change?

20

7

81

Richard Pettigrew

@Wiglet1981

4 months

Any suggestions for a work of art that depicts uncertainty in some way? Could depict someone in a situation of uncertainty, or could be a more abstract representation

59

4

56

Richard Pettigrew

@Wiglet1981

3 months

searching math stack exchange for a question I have, finding what seems like the perfect formulation for my purposes, noticing it was me who asked the question four years ago

4

3

57

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar What's the argument that this is more meaningful than other ways of committing your life to care for others? People who care for the vulnerable, the sick, the lonely? People devoted to education?

1

0

46

Richard Pettigrew

@Wiglet1981

3 months

@lastpositivist I actually wear a lab coat to teach intro philosophy so that, when I say we're all engaged in Wissenschaft, students know I'm serious

2

0

49

Richard Pettigrew

@Wiglet1981

5 months

after a lot of thought, I'm pretty confident in saying that the main change I'd make to microsoft outlook would be to make it good

4

45

Richard Pettigrew

@Wiglet1981

2 months

me, explaining that analytic philosophy is rather ahistorical

John Cooper

@thejcoop

2 months

Four straight minutes of “what can be, unburdened by what has been.” It’s incredible. I had no idea she used it this much.

2K

6K

51K

3

2

37

Richard Pettigrew

@Wiglet1981

5 months

why did we call it epistemic utility theory when effective accurism was right there?

2

5

36

Richard Pettigrew

@Wiglet1981

5 months

The excellent Sylvester Kollin and Eric Chen very kindly invited me to appear on the first episode of their new show, The Formal Philosophy Podcast. 80 minutes of glorious Bayesianism! Just the content you need as you ease into the weekend.

1. Richard Pettigrew | Bayesianism and Conditionalization

Episode · The Formal Philosophy Podcast · In this first episode of the Formal Philosophy Podcast, we speak to Richard Pettigrew about Bayesian epistemology, in particular, conditionalization and why...

open.spotify.com

2

7

33

Richard Pettigrew

@Wiglet1981

3 months

12,000 likes, while my posts about the Brier score rarely reach 4. Public philosophy has been a failure.

Richard Pettigrew

@Wiglet1981

3 months

not sure I’d have used Sisyphus as the inspiration for this meme

38

490

12K

4

2

34

Richard Pettigrew

@Wiglet1981

3 months

@morallawwithin Interesting that we stopped reviewing papers in philosophy. I think they still do it in maths.

1

0

32

Richard Pettigrew

@Wiglet1981

3 months

everyone’s all like ‘become ungovernable’ and ‘cast not the first stone’ and yet when I take the first bite of my lunchtime sandwich at 10:03am, they subject me to severe social sanctions like laughter and name-calling

5

2

30

Richard Pettigrew

@Wiglet1981

6 months

@lastpositivist philosophy, visibly sweating, head down, eyes averted

3

1

30

Richard Pettigrew

@Wiglet1981

7 months

Kristi Yamaguccimane

@TheWapplehouse

7 months

Ok then, what’s one of the best. This is still one of my faves.

633

7K

77K

2

5

26

Richard Pettigrew

@Wiglet1981

3 months

tfw, after trying thirty-two (32) possible referees, you secure two for a paper

5

0

25

Richard Pettigrew

@Wiglet1981

3 months

Every so often when I meet a new cat, I’m reminded why David Lewis, a devoted cat lover, was so familiar with The Incredulous Stare.

0

26

Richard Pettigrew

@Wiglet1981

2 months

the year is 2027 and the fields medal has been awarded to a twelve year old who, while trying to get it to mess up in a funny way that might go viral on tiktok , happened upon the precise prompt to get ChatGPT to spit out a proof of the Riemann hypothesis

0

2

25

Richard Pettigrew

@Wiglet1981

7 months

No skips allowed; repost a perfect 10/10 album, in your opinion

gil, a finite mode

@gdmorejon

7 months

No skips allowed; repost a perfect 10/10 album, in your opinion

4

8

151

0

5

26

Richard Pettigrew

@Wiglet1981

4 months

I’m very grateful to @LaraBuchak for this wonderful review essay on Epistemic Risk and the Demands of Rationality!

Epistemic Risk and the Demands of Rationality, by Richard Pettigrew

William James (1897) famously argued that different individuals can have different attitudes towards epistemic risk, and therefore different standards abou

academic.oup.com

1

6

24

Richard Pettigrew

@Wiglet1981

2 months

I don’t think journalists for the major outlets are the sole source of the terrible state of our current political discourse, but they’ve got to be responsible for a part of it. This is the person tasked by cnn to cover European politics and they can’t understand why a group

Luke McGee

@lukemcgee

2 months

The anti-Starmer left is utterly bizarre. I am not even sure what they want at this point. They make less rational sense than the people who wanted Sunak to lead the Tories in 2022.

921

94

1K

1

2

25

Richard Pettigrew

@Wiglet1981

2 months

Sort of fascinating reading Oakeshott on education that the following was the conservative view in his day…

1

7

23

Richard Pettigrew

@Wiglet1981

5 months

Northeastern Epistemology Workshop II was amazing! Structure was grad student talks + faculty commentators—talks were outstandingly good. As Jim Joyce said at one point, the quality of work in this field just seems to be getting better and better from a high starting point.

2

0

24

Richard Pettigrew

@Wiglet1981

3 months

@economeager I didn’t get past point 1, but surely it’s wrong. Like, men’s clothing, its history, what looks good, who wore what, what fabrics are used & why, how things are made—that’s pretty broad! In fact, his superpower is partly the depth of his knowledge about a pretty broad topic?

1

0

24

Richard Pettigrew

@Wiglet1981

5 months

Accuracy-first epistemology provides a complete replacement for traditional moral philosophy because it a) provides a rigorous theory of what you ought to do, and b) cleanly distinguishes between moral (using brier score) and immoral (using log score) actions.

julia🦄

@KamerynJW

5 months

Category theory provides a complete replacement for traditional moral philosophy because it a) provides a rigorous theory of what you ought to do, and b) cleanly distinguishes between moral (functoral) and immoral (nonfunctoral) ways of behaving.

8

16

220

2

6

23

Richard Pettigrew

@Wiglet1981

6 months

just passing this town on the train. turns out you can walk into it as one thing and leave again as anything you like

1

23

Richard Pettigrew

@Wiglet1981

7 months

It is wrong always, everywhere, and for anyone to believe anything on insufficient evidence.

Science girl

@gunsnrosesgirl3

7 months

858

47

801

2

23

Richard Pettigrew

@Wiglet1981

3 months

@lastpositivist extraordinary that we cried 'no more 'nudes in bio'' and their response was to put the nudes in the posts

0

1

22

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar Yeah, I definitely see how all those things are meaning-giving, but it just seems unlikely to me that they're more meaning-giving than the features distinctive to the other lives I was listing. I guess I don't see why the needs being basic makes a difference, or being ...

1

0

20

Richard Pettigrew

@Wiglet1981

4 months

Two things fill the mind with ever new and increasing admiration and awe…

1

0

21

Richard Pettigrew

@Wiglet1981

5 months

Some thoughts on current work in academic analytic philosophy Tl;dr: I love it!

2

20

Richard Pettigrew

@Wiglet1981

3 months

I've updated my notes on the value of information & epistemology of inquiry. The first part is a survey of work on the value of information from the credal/Bayesian point of view; the second applies these insights to questions in epistemology of inquiry.

Richard Pettigrew, The value of information and the epistemology of inquiry - PhilPapers

philpapers.org

0

4

17

Richard Pettigrew

@Wiglet1981

3 months

<person who’s recently seen a revival of one of his shows sweep the Oliviers and transfer to Broadway, is opening a revival of another in a few months, and has a purpose-built theatre running one for 36 years>: woke has silenced me

Talk

@TalkTV

1 year

Composer Andrew Lloyd Webber has said political correctness is stopping him from composing another musical.

701

47

274

0

1

18

Richard Pettigrew

@Wiglet1981

3 months

just did an open day talk to 80 prospective students and one of the parents came up at the end and whispered in a very kind voice, ‘your flies are down’, so if anyone knows how to live off grid and remove oneself from the historical record, my dms are open

1

0

16

Richard Pettigrew

@Wiglet1981

2 months

@lastpositivist I’m not someone who absolutely insists people who make society-level decisions must have reasonably broad connections with the people in the society, but I am begging people to know one (1) person who is actually tangibly involved in the production of some material commodity.

3

1

16

Richard Pettigrew

@Wiglet1981

3 months

saw timothee chalamet in a hotel in london once and he turned and went the other way. didn’t realise he was a knowledge-firster, tbh

Kaveh MD

@thehouseofpod

3 months

Who is the most famous person that dislikes you?

258

19

244

2

0

16

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar It always strikes me that the heterogeneity of the experience is so vast that it doesn’t really make sense to talk about what it’s like to be a parent. When I was writing a book about Laurie Paul’s transformative experience stuff, I was trying to decide whether to adopt.

2

0

17

Richard Pettigrew

@Wiglet1981

2 months

most people interested in politics, it’s about getting society in good shape, implementing policies you think are right, etc. And for the anti Starmer left, he just doesn’t hold out hope for those things.

1

17

Richard Pettigrew

@Wiglet1981

5 months

Looking forward to this at Yale for the next few days…

0

17

Richard Pettigrew

@Wiglet1981

4 months

@lastpositivist I haven’t heard this term before. Any elucidating op eds you could point me to?

3

2

16

Richard Pettigrew

@Wiglet1981

2 months

who have consistently campaigned for policies quite a bit more left wing than anything Starmer’s manifesto is offering might be unhappy with Starmer?

1

2

16

Richard Pettigrew

@Wiglet1981

2 months

@lastpositivist This is fiction, but the fact I initially thought it was a completely real piece of authentic, well-sourced photo journalism says a lot about our society

1

2

16

Richard Pettigrew

@Wiglet1981

6 months

since I came back to twitter, i've witnessed philosophical progress discourse, primary texts discourse, and starship troopers discourse, so I think we must be about due for endnotes discourse within a week or so? dare i hope for philosophical writing discourse...as a treat?

1

16

Richard Pettigrew

@Wiglet1981

2 months

I find there are times when it's better to make that sort of joke than not, and times when it's better not to make it, but never times when it's just as good to tell it as not to

daniel (🐼 in SAN DIEGO!)

@danielluo_pi

2 months

at a dinner with my moms college friends in china. i made an intermediate value theorem joke and no one laughed. im ready to go home now please

4

1

37

0

3

16

Richard Pettigrew

@Wiglet1981

3 months

A Puzzle about Evidence: What to do when you receive evidence you'd prefer to avoid?

2

14

Richard Pettigrew

@Wiglet1981

3 months

New post: Epistemic risks under Knightian uncertainty. In which I try out a new decision rule for situations of radical uncertainty (inspired by a suggestion of Sophie Horowitz's) and see what it says about picking priors.

1

14

Richard Pettigrew

@Wiglet1981

2 months

@lastpositivist Yeah, I just think a lot of the commentariat don’t know very much about the actual policy side of politics, neither the formulation of it nor bringing it about. They love the personality side and the headline policy issues they can take a view on by going with gut feeling.

2

13

Richard Pettigrew

@Wiglet1981

4 months

Too many to list, but among my favourites: roseate spoonbill, lilac breasted roller, goldfinch, painted stork, spotted owlet, rufous-collared kingfisher, resplendent quetzal, African jacana, crowned woodnymph, red-wattled lapwing, capercaillie, fairy tern, magnificent frigatebird

Beth

@Dirtdragonmom

4 months

Are there any men out there who have a favorite bird that is not an eagle? Every single man I have ever asked said "eagle".

8K

200

4K

0

1

14

Richard Pettigrew

@Wiglet1981

4 months

@lastpositivist I mean, ffs, she could buy a couple of Routledge handbooks with that sort of wealth

1

13

Richard Pettigrew

@Wiglet1981

1 month

@lastpositivist This is what we lost when Bret W left biology

1

0

14

Richard Pettigrew

@Wiglet1981

3 months

good lord, they were up all night workshopping this, weren't they?

Adam Bienkov

@AdamBienkov

3 months

Asked why he's claiming to be a "man with a plan" when he couldn't even make a plan to announce an election while not in the pouring rain, without an umbrella, Rishi Sunak replies that "I'm not a fairweather politician"

37

44

289

0

1

13

Richard Pettigrew

@Wiglet1981

7 months

if you’re a leftist, you should be phi-ing at t

0

4

12

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar Or lives that are really dedicated to a particular friendship group? Is there something particular about caring for and raising children that's inherently more meaningful than caring for and enriching the lives of other adults?

2

0

13

Richard Pettigrew

@Wiglet1981

2 months

I can’t help but think that for many such pundits, politics is just solely about getting the existing group closest to your views into power. And so it’s incomprehensible that those on the left of the Labour Party wouldn’t welcome Starmer’s imminent coronation. But in fact for

1

13

Richard Pettigrew

@Wiglet1981

2 months

ffs bbc “good food”, your latest recipe began with a list of the ingredients & a method by which to combine them to produce a tasty meal!, where’s the lengthy autobiographical reminiscence about the first time you tasted this in a Tuscan villa ?? what do I pay my license fee for?

0

11

Richard Pettigrew

@Wiglet1981

2 months

Matt Davies

@halcyene

2 months

The new Tony Blair Institute report finds huge time savings for the public sector from the use of AI tools... by asking GPT-4 what tasks can or cannot be automated 😵‍💫

35

186

617

0

2

11

Richard Pettigrew

@Wiglet1981

7 months

can’t believe I forgot to post my valentine tribute to the brier score

0

4

11

Richard Pettigrew

@Wiglet1981

6 months

can’t believe this paper from 1977 plagiarised my best idea, can we get the Harvard donor guy onto this?

0

1

11

Richard Pettigrew

@Wiglet1981

2 months

@lastpositivist Not just analytic continental. I know I always tell this story, but Bill Lawvere always maintained set theory was fundamentally reactionary and that the acceptance of category theory as the foundation for mathematics is a precondition of the proletariat rising up

1

10

Richard Pettigrew

@Wiglet1981

6 months

- David Lewis 1980

Brooks Otterlake

@i_zzzzzz

6 months

The odds are actually 1 out of 1 since it did happen.

12

34

2K

0

1

11

Richard Pettigrew

@Wiglet1981

2 months

@lastpositivist With academic prize season coming up, I encourage new TT academics to really consider winning a Leverhulme Prize and to not feel pressured to win the Nobel straight away.

1

0

11

Richard Pettigrew

@Wiglet1981

2 months

the reactions to the original suggestion are making me think my policy of ostentatiously clearing my throat and meaningfully shaking the tip jar at the end of my colloquium talks is not going to be well received

Ryan Ruby

@_ryanruby_

2 months

no we cannot. we absofuckinglutely cannot.

11

3

209

2

1

10

Richard Pettigrew

@Wiglet1981

5 months

My review of Gerhard Schurz's excellent new book, Optimality Justifications. It offers a comprehensive internalist epistemology, from the justification of logical & introspective beliefs, to justifications of reasoning by induction, deduction, & abduction.

0

4

9

Richard Pettigrew

@Wiglet1981

5 months

@MikeBenchCapon I think the Scottish highlands, Peak District, and Welsh coast do pretty well at this? It may well be a deeply buried national pride poking through but I find Glencoe, the Ring of Steall, the beaches of Mull and Harris, and the Cuillin as good as it gets majesty wise!

1

0

10

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar So I suspect it’s not just non-parents who are ignorant about what it’s like for a parent, but also other parents are pretty ignorant. Which all seems fine to me — life’s rich and values are various!

1

0

10

Richard Pettigrew

@Wiglet1981

3 months

@evanewashington @morallawwithin Apparently both Plantinga's and Rorty's doctoral advisor

0

8

Richard Pettigrew

@Wiglet1981

7 months

Prescriptivists and descriptivists about Cornish pasty consumption have long clashed over the normative basis of the Corner First principle. In this essay,

1

10

Richard Pettigrew

@Wiglet1981

4 months

@RebeccaBuxton They were just signalling to you how stress-free the Bristol work environment is — look, you need these workshops so little, we scheduled them in the past!

1

0

9

Richard Pettigrew

@Wiglet1981

3 months

@birchlse I wonder whether it’s really moral motivation plus scale of motivation plus strength of will that’s very rare. I often think nursing/caring professionals in a lot of areas must have enormous strength of will and moral motivation to keep going despite the psychological costs.

1

0

8

Richard Pettigrew

@Wiglet1981

4 months

@jweisber Final sentence giving me an inkling who’s been reviewing my papers

1

0

9

Richard Pettigrew

@Wiglet1981

3 months

@lastpositivist I mean, that’s been true in the past, but I have no confidence in the future resembling that

0

1

9

Richard Pettigrew

@Wiglet1981

6 months

maybe a good excuse to post some photos of the incredible places I saw on a recent trip to Uzbekistan (Locations in alts)

rust belt city enjoyer

@rustbeltenjoyer

6 months

strange how none of the “retvrn to tradition” accounts ever talk about the stunning beauty of islamic architecture

528

7K

71K

1

9

Richard Pettigrew

@Wiglet1981

5 months

the only difference between analytic and continental philosophy is whether you pronounce brier score to rhyme with friar or plié

1

9

Richard Pettigrew

@Wiglet1981

4 months

@lastpositivist Seems the technology has moved from >5 fingers to <5 fingers. Singularity within the year, I’d say.

2

1

9

Richard Pettigrew

@Wiglet1981

3 months

@phl43 I’ve been sort of hoping you might explain it! Because I’m find it all very puzzling…

1

0

8

Richard Pettigrew

@Wiglet1981

2 months

@lastpositivist How about trying your hand at one of those AI-generated right-wing cartoons with out of sync laugh tracks? ‘2+2=4: my story’

0

9

Richard Pettigrew

@Wiglet1981

2 months

— William James, ‘The Will to Believe’

Liam Bright

@lastpositivist

2 months

Defeating every single epistemology argument out there with the response "eh, you do you, imma do my own thing tho".

9

4

52

0

1

9

Richard Pettigrew

@Wiglet1981

3 months

I was a little upset that this cat wasn’t being as affectionate as she usually is, but then I followed her eyeline to a goldfinch in a tree two hundred metres away that she had precisely zero chance of catching.

0

9

Richard Pettigrew

@Wiglet1981

4 months

@jweisber I think what keeps me on here is that I learn every day a new way a person can be. It’s like relentless awareness growth.

1

0

9

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar ...the sole (or one of the few) protectors.

0

9

Richard Pettigrew

@Wiglet1981

3 months

@birchlse This makes me feel a lot better about the fact that my career to date has been, in order, footnotes to Richard Dedekind, Jim Joyce, Edna Ullman-Margalit, Laurie Paul, and more recently William James.

0

8

Richard Pettigrew

@Wiglet1981

1 month

@lastpositivist Didn’t get the Berkeley job first time around because the president and his wife didn’t want to have to invite him for drinks

0

7

Richard Pettigrew

@Wiglet1981

3 months

rawls' blade of grass counter praying for the latter

e l l a

@blondehotcoffee

3 months

wait is each blade of grass its own plant?? or is like the whole lawn one guy

269

5K

106K

2

0

8

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar Sometimes, when I’d tell people about Laurie’s book, they’d find it exactly matched their experience, while others said, ‘hmm, no surprises, it was exactly as I expected’

1

0

8

Richard Pettigrew

@Wiglet1981

4 months

@juskhoo Nothing can beat the 90s angelfire vibe of Jim Joyce’s

2

0

8

Richard Pettigrew

@Wiglet1981

1 month

watching the fencing from the Olympics and realising the Total Eclipse of the Heart video gave me a very inaccurate impression of this sport

0

2

8

Richard Pettigrew

@Wiglet1981

3 months

@victorckumar True to the theory I was defending, I started asking around to get some third personal testimonial evidence. And it just seemed that, even among people from the same culture &society &social class, there was just an enormous variety in experience& the value people put on it.

1

0

8

Richard Pettigrew

@Wiglet1981

3 months

when researching a topic, even one as recent as AI alignment, it's important to go back to the primary sources

0

8

Richard Pettigrew

@Wiglet1981

1 month

@lastpositivist me, radicalised by online content, popping on the four seasons: take THAT, woke

0

1

7

Richard Pettigrew

@Wiglet1981

6 months

did one of those google scholar word cloud things

1

0

7

Richard Pettigrew

@Wiglet1981

6 months

New blogpost: Schurz on the problem of induction In which I think about Gerhard Schurz’s excellent new book, Optimality Justifications.

0

3

7

Richard Pettigrew

@Wiglet1981

2 months

This all seems excellent to me, but particularly this, which I find just as puzzling as noam: "expect contradictory advice. academics have idiosyncratic tastes that, for reasons that remain obscure to me, they act like are universal professional norms."

noam chompers

@NoamChompers

2 months

i thought i'd write my actual job market advice, such as it is, because i've started to feel bad about how critical i've been of other people's attempts, and maybe someone finds it useful. i've had moderate success, but the main thing i've been is on the market for several years

2

5

102

0

2

7

Richard Pettigrew

@Wiglet1981

3 months

@bayesianboy This ignores the time that a cicada literally met a prime number while squirming around underground one day and said, ‘that’s the life cycle for me!’

0

7

Richard Pettigrew

@Wiglet1981

6 months

@xriskology I still think it’s an interesting argument and that consequentialists should think much more about attitudes to risk and imposing risks on others, but worth noting there are a couple of v good replies now. Kasper Kowalczyk and Nikhil Venkatesh:

Kacper Kowalczyk & Nikhil Venkatesh, Risk, Non-Identity, and Extinction - PhilPapers

philpapers.org

1

0

5

Richard Pettigrew

@Wiglet1981

2 months

@morallawwithin xi erasure

2

0

7

Richard Pettigrew

@Wiglet1981

1 month

I love watching the gymnastics, where someone does something completely superhuman, with nary a care for the limits of human anatomy nor the basic laws of gravitation, and the commentators are like, ‘well, a very simple routine there, we’ll be seeing a lot more complex than that’

2

0

7