First Principles Thinking: A Mental Model Explained

Mental modelproblem-solving

Break complex problems down to fundamental truths

Example

Don't ask "How do others do this?" Ask "What must be true for this to work?"

How to apply it

  • problem: How can I get better at basketball?
  • typical_thinking: I need expensive shoes, I need to be tall
  • first_principles: Basketball requires: shooting, dribbling, running. Skills improve with practice. I can practice these specific skills.
  • solution: Focus on fundamental skill practice

In kid-friendly terms

Break things down to basic facts, then build up your solution

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