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Propositional Parlor Puzzle

https://buttondown.com/jaffray/archive/propositional-parlor-puzzle/
27•foldU•9mo ago

Comments

Supermancho•9mo ago
There's a game available on STEAM called "Mimic Logic" which consists of these kinds of puzzles.
millxing•9mo ago
If you like these puzzles, you want to check out books by the late, great Raymond Smullyan:

https://www.amazon.com/Lady-Tiger-Other-Puzzles-Recreational...

ddmf•9mo ago
I just played this at the weekend - Blue Prince on the PS5.
phi-go•9mo ago
Interesting to see, I was wondering how to encode this puzzle for a logic solver.

One nit, this doesn't seem to handle the case where a box can have both true and false statements. As per the rules only one box needs to have only false and one only true statements, the third can have both.

Maybe this is also in the next part.

FDA Intends to Take Action Against Non-FDA-Approved GLP-1 Drugs

https://www.fda.gov/news-events/press-announcements/fda-intends-take-action-against-non-fda-appro...
13•randycupertino•17m ago•3 comments

Tiny C Compiler

https://bellard.org/tcc/
17•guerrilla•56m ago•2 comments

SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
132•valyala•5h ago•22 comments

The F Word

http://muratbuffalo.blogspot.com/2026/02/friction.html
63•zdw•3d ago•22 comments

Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
29•gnufx•3h ago•27 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
67•surprisetalk•4h ago•83 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
108•mellosouls•7h ago•206 comments

You Are Here

https://brooker.co.za/blog/2026/02/07/you-are-here.html
7•mltvc•52m ago•1 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
150•AlexeyBrin•10h ago•26 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
857•klaussilveira•1d ago•263 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
108•vinhnx•7h ago•14 comments

Italy Railways Sabotaged

https://www.bbc.co.uk/news/articles/czr4rx04xjpo
34•vedantnair•58m ago•18 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1105•xnx•1d ago•619 comments

I write games in C (yes, C)

https://jonathanwhiting.com/writing/blog/games_in_c/
151•valyala•4h ago•125 comments

First Proof

https://arxiv.org/abs/2602.05192
71•samasblack•7h ago•54 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
17•mbitsnbites•3d ago•0 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
70•thelok•6h ago•13 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
247•jesperordrup•15h ago•82 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
526•theblazehen•3d ago•196 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
35•momciloo•4h ago•5 comments

LLMs as the new high level language

https://federicopereiro.com/llm-high/
4•swah•4d ago•0 comments

Selection Rather Than Prediction

https://voratiq.com/blog/selection-rather-than-prediction/
16•languid-photic•3d ago•5 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
96•onurkanbkrc•9h ago•5 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
198•1vuio0pswjnm7•11h ago•294 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
40•marklit•5d ago•6 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
51•rbanffy•4d ago•12 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
265•alainrk•9h ago•438 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
633•nar001•9h ago•278 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
126•videotopia•4d ago•40 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
105•speckx•4d ago•132 comments