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First-principles thinking, or thinking from first principles, sounds a lot more complicated than it is. It’s simply a technique for approaching problems with a beginner’s mind. Instead of working within assumptions and what people around you “know” to be true, you do the hard work of figuring out what’s actually true and, thus, what’s truly possibl... See more

Start With First Principles

First-principles thinking is one of the best ways to understand complicated problems. Understand the root cause of why something works (or doesn't), so you can adapt it to your problem and build great experiences.

1FS Blog, First Principles: The Building Blocks of True Knowledge (2016)

https://growth.design/case-studies/p

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First principles are the Lego building blocks for thinking. These Lego blocks, once carefully assembled with forethought, are reusable. With the right set of first-principles, you can start mixing them in ways you couldn't before allowing you to think better and faster.