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Elon Musk Explains First-Principles Reasoning

Innomind · Interview · 3 min · 2013 · YouTube title: The First Principles Method Explained by Elon Musk
Why it's here

HN cites it as the standard illustration of reasoning from first principles, including his battery cost example.

What it covers

A short excerpt of Elon Musk, interviewed by Kevin Rose, explaining first-principles reasoning with the example of the car versus improving horse carriages. He warns it takes much more mental energy than reasoning by analogy.