A new breakdown every week — read the newsletter →
PeopleBusinessesToolsNewsletter
StrategiesMental ModelsDecision ToolsBusiness ModelsFrameworksMoats
LearnBook SummariesReading ListsGuidesQuote Collections
Artificial Intelligence Learning PathsWhat should I study? AboutContact
Mental Model

Rumsfeld's Rule

RS
Military & Conflict

categorises knowledge into four quadrants: known knowns (things we know we know), known unknowns (things we know we don't know), unknown unknowns (things we don't...

The core idea

categorises knowledge into four quadrants: known knowns (things we know we know), known unknowns (things we know we don't know), unknown unknowns (things we don't...

Connected