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#logic

7 posts7 participants1 post today

Who likes solving #puzzles?

I've recently been introduced to a daily #logic #puzzle called "Clues By Sam".

With just one clue to start you off, you deduce the identities of all 20 people on the grid. Each person you reveal will give you a new clue.

However, there is no blind guessing. The game will not let you proceed if you guess. Every identity can be deduced from the logic revealed in each clue, in a specific order — if you can see through it.

cluesbysam.com/

cluesbysam.comClues by SamA daily logic puzzle where you deduce who are criminals and who are innocent!

”Print requires us to make a logical case. A significant feature of books is that if you make a case in print, you have to make it logically add up.

You can’t just assert things the way you can on tiktok, youtube or in a podcast through conversation.”

”If we lose these things in our culture it’s not surprising people are getting stupider & their reasoning skills are declining.”

youtube.com/watch?v=u4jW8MOxIKY
#reading #books #intelligence #reasoning #logic #booksofmastodon

Hey there! On Wednesday, I completed the ILLC's Master of #Logic at the #UniversityOfAmsterdam:dr_tobydance:​ My supervisor and the rest of the committee were super nice to me, as were all the friends who have helped me throughout these two years. Amazing programme full of amazing people btw. ​:blobcat_heart:

I am starting my
#PhD next month. I'll be working on the foundations of programming languages under @stelios@mathstodon.xyz at #SDU's #ACPSection in #Odense, #Denmark. I am super psyched!

Continued thread

I've followed these odd reductions back to the original source, 'Ideas and Results in Proof Theory' by Prawitz (1971); see attached image. These rules are introduced alongside the more usual ones, but not really discussed later as far as I can tell, except implicitly in a section when he notes that not everyone would accept rules beyond beta reduction as capturing the notion of 'the same proof'. He asserts uniqueness of normalisation, which these rules clearly break. Despite this being a quite heavily cited paper (~1000 cites), no one seems to have explicitly noted there is anything odd here until a paper by Dyckhoff in 2014, as best as I can tell! #logic #proofTheory

It was both a pleasure and a privilege to deliver 5 90-min blackboard (!) lectures on Categorical Realizability to 20–30 students and fellow lecturers at the European Summer School in #Logic, Language and Information (#ESSLLI).
I really enjoyed the interaction with all attendees and appreciated their excellent questions and comments: thank you!

Also, a huge thanks to @tschfflr and the other organizers for running #ESSLLI2025 so smoothly!!