While there are millions of mental models, I find these the most useful in solving difficult problems. These general thinking tools should be taught in every school.
https://www.fs.blog/general-thinking-tools/
* Charlie Munger * The Psychology of Human Misjudgment * mental models * Read more about The Map is not the Territory * Read more about Circle of Competence * Read more on First Principles Thinking * Read more on Thought Experiment * second * Read more on Probabilistic Thinking * Read more on Inversion * Read more on Occam’s Razor * Read more on Hanlon’s Razor * mental models that you can learn * FS Members * Learning Community * https://plato.stanford.edu/entries/thought-experiment/