Strategy as subtraction
Charlie Munger
An investor known for multidisciplinary reasoning and examining problems from the opposite direction. His method is useful without copying his personality.
Independent educational case study. No affiliation or endorsement implied.
CMCAA / 06
CORE FRAMEWORK · ORIGINAL SUMMARY
Invert the problem: identify what guarantees failure and remove those conditions.
Reverse-engineer. Don’t idolize.
What the herd copied
Bluntness and collections of clever models.
What actually worked
Cross-disciplinary checks and avoidance of predictable mistakes.
What survives
Use inversion as a decision test, not an identity.
Use it Monday at work
Make a company decision.
Pre-mortem a company launch. Remove one avoidable failure condition before approving spend.
Curated video lessons
No approved video lessons yet. The framework and company exercise are ready now.

