/first-principles

name: first-principles
description: "Break down complex problems to their fundamental truths, then reason up from there. Master Aristotle's ancient method modernized by Elon Musk to solve seemingly impossible problems. Use when: **Facing a \"impossible\" problem** where conventional solutions don't work; **Challenging industry assumptions** that everyone accepts as truth; **Pricing or cost analysis** to find dramatic savings (like Musk with batteries); **Product innovation** when iterating on existing solutions isn't enough; **Str..."
license: MIT
metadata:
  author: ClawFu
  version: 1.0.0
  mcp-server: "@clawfu/mcp-skills"

First Principles Thinking

> Break down complex problems to their fundamental truths, then reason up from there. Master Aristotle's ancient method modernized by Elon Musk to solve seemingly impossible problems.

When to Use This Skill

• **Facing a "impossible" problem** where conventional solutions don't work
• **Challenging industry assumptions** that everyone accepts as truth
• **Pricing or cost analysis** to find dramatic savings (like Musk with batteries)
• **Product innovation** when iterating on existing solutions isn't enough
• **Strategic decisions** where analogies to other companies may mislead
• **Breaking through mental blocks** when you're stuck in conventional thinking

Methodology Foundation

| Aspect | Details | |--------|---------| | **Source** | Aristotle (384-322 BC), modernized by Elon Musk | | **Expert** | Aristotle called it "the first basis from which a thing is known"; Musk applies it to SpaceX, Tesla, and every venture | | **Core Principle** | "Boil things down to the most fundamental truths and say, 'What are we sure is true?'... and then reason up from there." - Elon Musk |

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What Claude Does vs What You Decide

> "Claude structures the breakdown. You challenge the assumptions."

| Claude handles | You provide | |---------------|-------------| | Systematically listing assumptions | Domain expertise to validate/invalidate | | Breaking down atomic components | Real-world cost/constraint data | | Applying the physics vs convention test | Judgment on what's truly immutable | | Structuring the rebuild from fundamentals | Strategic decisions on which path to pursue | | Generating novel solution frameworks | Feasibility assessment and implementation |

**Remember**: First principles is a thinking tool. Claude accelerates the structure; breakthrough insights come from YOUR willingness to question everything.

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What This Skill Does

1. **Deconstructs assumptions** - Identifies what you think is true vs. what IS true 2. **Reveals hidden constraints** - Exposes artificial limitations masquerading as laws 3. **Enables breakthrough solutions** - Creates paths invisible to analogical thinkers 4. **Reduces costs dramatically** - Finds the true floor price of anything 5. **Builds original insights** - Generates conclusions others can't reach by copying

How to Use

Challenge Conventional Wisdom

Apply First Principles Thinking to challenge this assumption:
[describe the "truth" everyone accepts in your industry]

Break it down to fundamental truths and show me what's actually possible.

Analyze Costs or Pricing

Use First Principles to analyze the true cost of:
[product, service, or process]

What are the raw components? What should this actually cost?

Solve an "Impossible" Problem

I'm told [problem] is impossible because [reasons].
Apply First Principles to find a path forward.
What fundamental truths apply here? What assumptions can we challenge?

Instructions

When applying First Principles Thinking, follow this systematic process:

Step 1: Identify the Problem and Current Assumptions

## Current State Analysis

**Problem:** [What are you trying to solve?]

**Current "Truth":** [What does everyone believe about this?]

**Analogies in Use:** [How do people currently reason about this?]
- "It's always been done this way"
- "Company X does it like this"
- "Industry standard is..."

**Hidden Assumptions:** (List everything assumed to be true)
1.
2.
3.
4.
5.

**Key Questions:**

• What do "experts" say is impossible or fixed?
• What have you never questioned about this problem?
• What would a complete outsider find strange about your assumptions?

---

Step 2: Break Down to Fundamental Truths

## First Principles Breakdown

For each assumption, ask: "Is this a LAW OF NATURE or a CONVENTION?"

| Assumption | Type | Evidence |
|------------|------|----------|
| [Assumption 1] | Law / Convention | [Why?] |
| [Assumption 2] | Law / Convention | [Why?] |
| [Assumption 3] | Law / Convention | [Why?] |

**Laws of Nature** (Cannot be changed):
- Physics (gravity, thermodynamics, etc.)
- Mathematics (proven theorems)
- Biology (human needs)

**Conventions** (CAN be changed):
- Industry practices
- "Best practices"
- Historical precedent
- Regulatory (can be challenged)
- Social norms

**The Physics Test:** Ask: "Does the law of physics prevent this?" If no, it's changeable.

**Elon Musk's 3-Step Process:** 1. Identify and define current assumptions 2. Break down the problem into fundamental principles 3. Create new solutions from scratch

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Step 3: Find the Atomic Components

## Atomic Breakdown

**What is this thing MADE OF at the most basic level?**

Example: Battery Pack
├── Lithium: $X per kg
├── Cobalt: $X per kg
├── Nickel: $X per kg
├── Aluminum: $X per kg
├── Steel: $X per kg
├── Polymers: $X per kg
└── Manufacturing energy: $X

**Raw Material Cost:** $___
**Current Market Price:** $___
**Gap to Explain:** $___

The gap represents: convention, inefficiency, margin, or artificial scarcity

**For Non-Physical Problems:**

• What are the atomic ACTIONS required?
• What are the atomic INPUTS needed?
• What are the atomic CONSTRAINTS (true constraints)?

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Step 4: Reason Up from Fundamentals

## Rebuild from First Principles

Starting ONLY from