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Undergraduate mathematicians usually have a hard time defining functions from quotients in Lean, because they have been taught a specific model for quotients in their classes, which is not the model that Lean uses. This post is an attempt to … Continue reading →
a week ago

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More from Xena

Think of a number.

My feed was recently clogged up with news articles reporting that Sam Altman thinks that AGI is here, or will be here next year, or whatever. I will refrain from giving even more air to this nonsense by linking to … Continue reading →

a month ago 6 votes
Can AI do maths yet? Thoughts from a mathematician.

So the big news this week is that o3, OpenAI's new language model, got 25% on FrontierMath. Let's start by explaining what this means. Continue reading →

a month ago 5 votes
Fermat’s Last Theorem — how it’s going

So I'm two months into trying to teach a proof of Fermat's Last Theorem to a computer. We already have one interesting story, which I felt was worth sharing. Continue reading →

2 months ago 6 votes
Lean in 2024

A huge amount happened in the Lean theorem prover community in 2023; this blog post looks back at some of these events, plus some of what we have to look forward to in 2024. Modern mathematics I personally am a … Continue reading →

a year ago 4 votes

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