iiinova — where your digital self keeps evolving

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Alcides Fonseca @handle.invalid · 11/09/2026

How to adapt CS degrees to AI? Here's my take: wiki.alcidesfonseca.com/blog/fall-20... looking for feedback from you.

wiki.alcidesfonseca.com

Fall 2026 Recommendations for AI in Higher Education by Alcides Fonseca

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Type Theory Forall @ttforall.bsky.social · 10/09/2026

FLT formalized in Lean by AI Navier–Stokes attacked by AI, with the result formalized in Lean Autoformalization is moving fast Three years ago I interviewed Kevin Buzzard about his vision for mechanizing modern mathematics It might be time to revisit that conversation:

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youtu.be

#26 Mechanizing Modern Mathematics - Kevin Buzzard

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Type Theory Forall @ttforall.bsky.social · 05/09/2026

How should we teach Programming Languages in the age of AI? New TTFA episode! 🎙️ 1/3

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Type Theory Forall @ttforall.bsky.social · 07/08/2026

This is fantastic news. A new effort is underway to produce a Revised Haskell 2010 Language Report—updating the language specification after 16 years while keeping a well-defined, implementable standard. twp.ai/9OZs47

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Type Theory Forall @ttforall.bsky.social · 07/08/2026

How do you add static types to one of the largest PHP codebases on the planet? I sat down with Julien Verlaguet, one of the creators of Hack, to hear the story behind one of the most ambitious language migration efforts ever attempted. 1/2

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Type Theory Forall @ttforall.bsky.social · 15/06/2026

New Type Theory Forall episode is out! I had the pleasure to partner with @serokell to bring you a conversation with Vladislav Zavialov, one of the main GHC contributors, former GHC Steering Committee member, and current implementer of Dependent Haskell. 1/3

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Type Theory Forall @ttforall.bsky.social · 02/06/2026

We have an opening in the Type Theory Forall schedule this month for a sponsored episode. 1/3

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Jean Abou Samra @jeanas.bsky.social · 22/05/2026

The Budapest type theory group is hiring a postdoc to work on higher observational type theory. lists.seas.upenn.edu/pipermail/ty...

lists.seas.upenn.edu

[TYPES/announce] Postdoc position in type theory

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Type Theory Forall @ttforall.bsky.social · 01/05/2026

The TTFA store is closing May 19. Last chance (for a while) to grab: PL mugs, shirts, hoodies, hats — plus the Tony Hoare tribute drop. twp.ai/9OUsKk After a year, we basically broke even — so going forward: • Open once a year • Next reopening: holidays Don’t miss this window.

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Type Theory Forall @ttforall.bsky.social · 30/04/2026

The TTFA store is closing May 19. Last chance (for a while) to grab: PL mugs, shirts, hoodies, hats — plus the Tony Hoare tribute drop. twp.ai/9OUvqF After a year, we basically broke even — so going forward: • Open once a year • Next reopening: holidays Don’t miss this window.

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Type Theory Forall @ttforall.bsky.social · 19/04/2026

Dropping 2 new items today in tribute to Tony Hoare: • C.A.R T-Shirt • Hoare Triple Hat A small way to celebrate someone who shaped how we think about programming and correctness. twp.ai/9OVSQV The store will now only open once a month ⏳ This drop closes May 19 1/2

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Type Theory Forall @ttforall.bsky.social · 16/04/2026

New TTFA episode I sat down with Farhad Mehta, one of the main organizers of Zurihac, the largest Haskell event in the world. We talk about: • the story behind Zurihac • what it takes to run it • Farhad’s path across academia and industry Zurihac 2026: June 6–8 in Zurich

twp.ai

Type Theory Forall

Type Theory much beyond inference rules

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Type Theory Forall @ttforall.bsky.social · 15/04/2026

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Cyrus Omar on sabbatical in Cambridge @neurocy.bsky.social · 10/04/2026

Ordered Agda and OCaml mugs from the @ttforall.bsky.social merch store and Pedro threw in a little bonus! 💚

three mugs, depicting the logos of Agda, OCaml, and Hazel, sitting on office desk

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aron @adler.dev · 27/03/2026

men are from Type, women are from Prop

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Type Theory Forall @ttforall.bsky.social · 27/03/2026

Hey everyone! I’ve just started a short series for Patreons where I study and discuss the story of the logicians that make up the intuitionistic lineage. I'm trying to connect the people, ideas, and historical context in a more linear narrative. 1/4

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Type Theory Forall @ttforall.bsky.social · 25/03/2026

New TTFA episode 🎙️ What does it mean to build a research career today? With Dan Plyukhin we talk about: • meditation & staying sane • the reality of the job market • reaching out to professors • AI (hype vs reality) • research paths

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www.youtube.com

#60 - Conversations on Life, AI, and the PL Job Market - Pedro and Dan

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Type Theory Forall @ttforall.bsky.social · 24/03/2026

“The thought, in itself immaterial, clothes itself in the material garment of a sentence and thereby becomes comprehensible to us” — Frege 1956

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Type Theory Forall @ttforall.bsky.social · 18/03/2026

Tristan Stérin used LLMs to hunt for bugs and inconsistencies in Rocq and Lean. This is actually pretty neat and kind of wild.

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tristan.st

Tristan Stérin

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Type Theory Forall @ttforall.bsky.social · 16/03/2026

Today we honor the life and work of Sir Tony Hoare (1934–2026), one of the giants of computer science. His work shaped algorithms, programming languages, concurrency, and formal verification. 1/7

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Type Theory Forall @ttforall.bsky.social · 08/03/2026

Some people drink coffee. Others drink coffee and reason about it formally ☕ FP & proof assistant mugs → twp.ai/9Pb5eO

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Type Theory Forall @ttforall.bsky.social · 06/03/2026

Some people drink coffee. Others drink coffee and reason about it formally ☕ FP & proof assistant mugs → twp.ai/9PatXs

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Type Theory Forall @ttforall.bsky.social · 04/03/2026

Some people drink coffee. Others drink coffee and reason about it formally ☕ FP & proof assistant mugs → twp.ai/9Pay3E

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Type Theory Forall @ttforall.bsky.social · 02/03/2026

Some people drink coffee. Others drink coffee and reason about it formally ☕ FP & proof assistant mugs → twp.ai/9Payr1

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Type Theory Forall @ttforall.bsky.social · 24/02/2026

Once we formalize the syntax of a language, the next step is to formalize its semantics: what programs mean and how they behave. There are three classical approaches. 1) Operational semantics Operational semantics defines meaning by describing how programs execute on an abstract machine. 1/8

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Type Theory Forall @ttforall.bsky.social · 22/02/2026

In a few minutes we are going live on Twitch to watch and discuss selected ICFP talks together. If you are interested in programming languages research, semantics, type systems, and formal methods, join us for a live session of collective viewing and commentary.

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www.twitch.tv

TypeTheoryForall - Twitch

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aron @adler.dev · 22/02/2026

going to do some #LeanLang streaming for the first time in a while! i tried to get claude code to add polymorphism to my formalisation of HM. let's see what it managed to do and where it got stuck. join me as i do some forensic analysis 🕵️ starting at 7:30pm UTC today! www.twitch.tv/aronadler

Type Theory Forall @ttforall.bsky.social · 21/02/2026

90+ hours interviewing the best minds in type theory. Now you can wear (and sip from) the movement. The Type Theory Forall store is up and running. Apparel and mugs for people who care about foundations. Every purchase helps keep deep PL conversations alive. twp.ai/9PbfTY

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Type Theory Forall @ttforall.bsky.social · 20/02/2026

New semester just started. If your Rocq file already has 37 unsolved goals If your compiler project looks… concerning I’m opening tutoring spots in: • Rocq • Haskell / OCaml • Compilers • Logic & Algebra Strong foundations. No shortcuts. Free intro call 👇

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Type Theory Forall

Type Theory much beyond inference rules

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Type Theory Forall @ttforall.bsky.social · 19/02/2026

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Type Theory Forall @ttforall.bsky.social · 19/02/2026

"Readable formal specifications are not a convenience that AI can replace. They are the foundation of trust."

twp.ai

Proof Assistants in the Age of AI

Leonardo de Moura — Creator Lean and Z3

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Type Theory Forall @ttforall.bsky.social · 18/02/2026

People often ask: what is type theory and why is it useful? Type Theory is the academic study of type systems: formal frameworks for classifying terms, structuring computation, and specifying the behavior of programs. 🧵 1/9

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Type Theory Forall @ttforall.bsky.social · 18/02/2026

I’m planning next month’s Type Theory Forall episodes and I’d genuinely love your input. What would you be interested to hear next? Proof theory? Modern Programming Language Semantics? Lean or Rocq? Compilers? AI × formal methods? Is there a paper, idea, or person you think I should talk to?

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Type Theory Forall @ttforall.bsky.social · 17/02/2026

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Type Theory Forall @ttforall.bsky.social · 16/02/2026

An ode to the International PhD Student "To the one living between time zones. Between ambition and homesickness. Between gratitude and guilt. " twp.ai/9PbVnL

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Type Theory Forall @ttforall.bsky.social · 15/02/2026

twp.ai

Type Theory Forall

Type Theory much beyond inference rules

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Type Theory Forall @ttforall.bsky.social · 15/02/2026

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Sai Divvela @sdivvela.bsky.social · 09/02/2026

I was at AmeriHac this past weekend! Decided to write up a blogpost about it :D I did my best to capture the experience. Please let me know if there are any errors or if you have any comments, suggestions or questions thedeveloper101.github.io/posts/2026/0...

thedeveloper101.github.io

My experience at AmeriHac

This past weekend, I participated in the inagural North American Haskell Hackathon - AmeriHac! It was so much fun, despite not even knowing a single bit of Haskell going into it. I wanna write up a bi...

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ZuriHac @zurihac.bsky.social · 09/02/2026

ZuriHac 2026 - Registrations are open! ZuriHac is the biggest Haskell community event in the world: a completely free, three-day grassroots coding festival co-organized by the Zürich Friends of Haskell and the OST Eastern Switzerland University of Applied Science. Register: zureg.zfoh.ch/register

zureg.zfoh.ch

Registration

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ZuriHac @zurihac.bsky.social · 09/02/2026

ZuriHac also welcomes beginners or people unfamiliar to Haskell who are curious to learn more. There will be an organized beginners’ track, as well as many mentors from the Haskell community happy to answer all your questions.

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Type Theory Forall @ttforall.bsky.social · 31/01/2026

Your proof assistant is strict. Your type system is expressive. Your coffee mug should be too ☕ FP & ITP mugs (OCaml, Haskell, Lean, Rocq, Isabelle, Agda): store.typetheoryfora...

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Type Theory Forall @ttforall.bsky.social · 30/01/2026

Type Theory Forall exists because this community exists. If the podcast, the conversations, or the ideas mattered to you, this is one way to support it — and look good doing it 👕 👉 store.typetheoryfora...

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Type Theory Forall @ttforall.bsky.social · 29/01/2026

New TTFA episode 🎙️ The category-theoretic episode we’ve ever done. A deep dive into Category Theory, Type Theory, and Logic with Valeria de Paiva — co-founder of the Topos Institute and founder of Women in Logic.

typetheoryforall.com

Type Theory Forall

Type Theory much beyond inference rules

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Type Theory Forall @ttforall.bsky.social · 27/01/2026

Your proof assistant is strict. Your type system is expressive. Your coffee mug should be too ☕ FP & ITP mugs (OCaml, Haskell, Lean, Rocq, Isabelle, Agda): store.typetheoryfora...

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Type Theory Forall @ttforall.bsky.social · 26/01/2026

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