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Intellectual Instinct is an independent notebook about mathematics, economics, and how we know what we know. Essays, short observations, and experiments. The question is usually the same: what does an argument let us trust, and what does it help us understand?

Start with a proof

A proof can verify without explaining puts two short proofs side by side. Both work. Only one leaves you with a move you can use again.

Listen instead

The podcast reads the essays aloud. Episode one is the proof essay, in about eight minutes.

Try the argument yourself

Where does it break? gives you six worked solutions. Find the first invalid step, or decide that every step is sound. A right answer can hide a wrong argument.

Keep reading

Book notes connect formal systems, scientific change, and the limits of legibility. The reading list collects papers behind the essays and research notes.

Follow the notebook

New essays on Substack. Short takes on X. Or follow the RSS feed.