Isabelle2025-1 is now available, offering e.g.

* PIDE: load markup from background session image (e.g. theory "HOL.Nat").

* Isabelle/jEdit: support for command-line system options ("-o").

www.cl.cam.ac.uk/research/hvg...
isabelle.in.tum.de

I've studied over 200 kids—these 7 'magic phrases' can calm any tantrum instantly Calming down your kid during a tantrum can feel impossible. Reem Raouda, a child psychologist who has studied over 200 kids, shares the "magic phrases" that will instantly stop a meltdown.

When your kid is in the middle of a tantrum, logic and lectures don’t work.

Research shows that during emotional overwhelm, a child’s prefrontal cortex essentially goes offline.

These seven magic phrases work with your child’s nervous system, says Reem Raouda, a child psychologist.

Announcing Unison 1.0 After years of engineering, design, and community collaboration, we're excited to release Unison 1.0. This version delivers a refined programming workflow and a mature toolchain. Join us as we celebrate this milestone and look ahead to the future of Unison.

🎉 Unison 1.0 has landed!

After years of engineering, design, and community collaboration, we’re excited to announce this milestone!

Spread the word!

𝐋𝐞𝐚𝐧 𝟒.𝟐𝟒.𝟎 𝐢𝐬 𝐥𝐢𝐯𝐞! This release improves the module system, strengthens the 𝚐𝚛𝚒𝚗𝚍 tactic, and advances the standard library.
Key improvements: 3.5x faster auto-completion, streamlined "try this" suggestions, new 𝚐𝚛𝚒𝚗𝚍 AC solver, enhanced 𝚖𝚟𝚌𝚐𝚎𝚗 syntax.

Read more: lean-lang.org/doc/referenc...

🎉 Lean 4.23.0 is here! Includes many usability improvements, including:

🎯 Enhanced 'Go to Definition' supporting type class instances

🔧 Interactive error hints for faster debugging

Release notes: lean-lang.org/doc/referenc...

#LeanLang #LeanProver #OpenSource #Mathematics #FormalVerification

A Lean companion to “Analysis I” Almost 20 years ago, I wrote a textbook in real analysis called “Analysis I”. It was intended to complement the many good available analysis textbooks out there by focusing more on foun…

A Lean companion to "Analysis I". ~ Terence Tao. terrytao.wordpress.com/2025/05/31/a... #ITP #LeanProver #Math

If you've thought about giving Haskell a try, this is a great opportunity to get Effective Haskell at a discount. Whether you check out Effective Haskell or not, I'm always happy to answer questions or help folks who are interested in functional programming.

Being shouted at by parents can alter child’s brain, experts tell UK MPs Meeting will hear how exposure to verbal abuse leads to biological changes and can make mental ill-health likelier Being shouted at by their parents reshapes children’s brains and makes them more likely to have mental ill-health and struggle to maintain friendships, MPs will hear on Monday. Verbal abuse by adults can leave children unable to enjoy pleasure and seeing the world as threatening, experts in child development and mental health will tell a meeting at Westminster. Continue reading...

Being shouted at by parents can alter child’s brain, experts tell UK MPs

Logic and Science Cambridge Core - Logic - Logic and Science

Free Download for two weeks.#philsci

He, too, got conned. Who would've thought?

Agreed, which is why IF I ever buy options, my expiration is at least a year out, and in almost all such cases, I only do deep ITM. In the overwhelming number of cases, I just sell options.

I am shorting everything tomorrow.

Mike Johnson has apparently told the Rs that they need to trust Trump on his economic instincts and to stand with Trump resolutely on the issue of tariffs. I think there is no going back, now. Americans truly have no idea how quickly the collapse will happen. 2008 will pale in comparison.

Snowboarding is much cooler and more fun, if I may say so. However, learning the first steps from an instructor pays rich dividends later.