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MENTAL-MODELS5 MIN READ

Walk the Reversible Door

Match decision process to reversibility and second-order risk.

Workplace moment The team is spending attention in the wrong place. The cost is not the meeting. The cost is the chain of decisions the meeting starts. Mental-model stack Floor, Failure, Fallout Use first principles to find the floor, inversion to expose the easiest way to fail, and second-order thinking to inspect the delayed consequences. Shortcut copy the last playbook A choice that survives reality, not just preference. Process weight should follow reversibility and downstream cost. Floor First principles Two decisions compete for the same meeting time. What property matters first? Failure Inversion The vendor migration looks routine. What would…

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