First Principles Thinking —Toolkit
Clarify the Real Problem
“A problem well-stated is a problem half-solved.”
Think:
Write one laser-specific statement of what you want to solve, change, or create. Include target metrics, time frame, and constraints.
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2️⃣ Surface Every Assumption
List everything you believe about this problem — the “shoulds,” “have-tos,” and “can’ts.” Don’t filter; get it all out.
# | Assumption | Evidence for? | Evidence against? | Keep / Question / Trash |
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1 | ||||
2 | ||||
3 | ||||
4 | ||||
5 |
3️⃣ Dig Down to First Principles
For each assumption you decide to question, ask “Why?” until you reach a fact that cannot be reduced further (physics, math, logic, or indisputable data).
Chain of Whys | Fundamental Truth Reached |
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Quick check:
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Does this truth depend on trends or opinions? ✗
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Is it universally valid? ✓
4️⃣ Rebuild From Scratch
Using only the fundamental truths you just uncovered, sketch three fresh solutions. Don’t censor; think like an inventor.
Solution Draft | How it leverages the truths | Feasibility (1-5) | Excitement (1-5) |
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Idea A | |||
Idea B | |||
Idea C |
Circle the idea with the best Feasibility × Excitement score.
5️⃣ Stress-Test the New Idea
Choose one or try them all:
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Inversion: “What would guarantee this fails?” → Plan to avoid it.
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Socratic Drill:
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Why do I believe this will work?
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What could I be missing?
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What data would prove me wrong?
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Reframe: Look from the opposite angle (customer, critic, future-you).
Key weaknesses & safeguards:
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6️⃣ 90-Day Execution Snapshot
Define one meaningful metric, one daily habit, and one weekly review ritual.
Metric to Track | Daily Keystone Action | Weekly Review Questions |
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1. What worked? | ||
2. What didn’t? | ||
3. Next experiment? |
7️⃣ Reflection & Emotional Check-In
Innovation without self-awareness leads to burnout.
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How did this process feel?
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What resistance showed up? (fear, doubt, overwhelm)
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Self-compassion note to self:
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🛠 Mini-Tool Quick Cards (Cut & keep on your desk)
Tool | One-Sentence Reminder |
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5 Whys | “Keep digging until you hit bedrock.” |
Socratic Questioning | “Interrogate thoughts like a cross-examiner.” |
Inversion | “Map failure first, design backward.” |
Reframe | “Flip the lens — opposite, customer, critic.” |
📌 How to Use This Worksheet
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One sheet = one challenge. Don’t cram multiple problems together.
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Write by hand if possible. Slows thinking and reveals hidden beliefs.
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Revisit weekly. Update assumptions and truths as new data arrives.
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Pair with accountability. Share your rebuilt plan with a mentor or peer.