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Source: Farnam Street
Published: January 2018

Mental Models: An Overview

Circulated: October 26, 2020

Mental models are frameworks for thinking. They simplify complex things so your brain can reason through them. We use mental models to make better decisions without knowing every detail about a situation.

In other words, mental models are thinking tools—shortcuts for reasoning. They help our brain go ‘I’ve seen this type of problem before!’

Charlie Munger, the vice chairman of Berkshire Hathaway, believes that “you can’t really know anything if you just remember isolated facts... you’ve got to have models in your head.”

While one can find hundreds of mental models, we’ll be learning about four of them this week.

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