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Problem
Too much to consider, limited resources — what matters most?
BatteryCoreMust have (AND)ABCNeed one (OR)Bulb
Rule 1
Filter by necessity — what must be true for this to exist?
essentials(A B) = A BABA ∪ Bfind essentialsABA ∩ B
Rule 2
Combine filtered results — essentials = intersection
Pass 1Pass 2Pass 3R1 → R2 → Repeat
Iteration
Iterate until only load-bearing elements remain
Type A: Weakest Link(sequential chain)weakChain breaks at weakest(limits whole system)Type B: Bridge(between systems)System 1System 2System 3KConnects all systemsTOC: ConstraintHub/IntersectionFind the point with disproportionate impact
Find Leverage
Among essentials, find the point with disproportionate impact
?
R1
R2
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