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why the phrase "mental models"? something about it has always felt weird to meโ€ฆ aren't all models mental? / aren't all mental models just "concepts"? is it like "mental math"? ie some models you have external to you to reference, but some live in procedural & working memory?
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My impression is that the way the term is used is broader than metaphors e.g. thinking from first principles and second-order thinking (referred to as mental models) don't seem to map from a source domain to a target domain (like Lakoff's metaphors).
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