MENTAL-MODELS5 MIN READ
Map the Mental-Model Matrix
Select a mental-model move based on certainty and reversibility.
Reversibility Certainty Hard to undo Easy to test Low certainty High certainty Premortem High certainty · Hard to undo Use inversion to prevent known failure modes before commitment. tl Experiment High certainty · Easy to test Run a lightweight test; do not over-model the obvious. tr Rebuild facts Low certainty · Hard to undo Use first principles before any commitment; assumptions are expensive here. bl
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