Master conceptual analysis methodology - defining concepts through necessary and sufficient conditions. Use for: analyzing concepts, testing definitions, finding counterexamples. Triggers: 'what is X', 'define', 'definition', 'necessary conditions', 'sufficient conditions', 'counterexample', 'conceptual analysis', 'analysis', 'concept', 'essence', 'iff', 'if and only if'.
Scanned 2/12/2026
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openskills install majiayu000/claude-skill-registry---
name: conceptual-analysis
description: "Master conceptual analysis methodology - defining concepts through necessary and sufficient conditions. Use for: analyzing concepts, testing definitions, finding counterexamples. Triggers: 'what is X', 'define', 'definition', 'necessary conditions', 'sufficient conditions', 'counterexample', 'conceptual analysis', 'analysis', 'concept', 'essence', 'iff', 'if and only if'."
---
# Conceptual Analysis Skill
Master the method of analyzing concepts by seeking necessary and sufficient conditions, testing against counterexamples, and refining definitions.
## Overview
### What Is Conceptual Analysis?
The method of clarifying concepts by:
1. Proposing conditions for concept application
2. Testing against cases (real and imagined)
3. Refining based on counterexamples
4. Reaching reflective equilibrium
### The Goal
**Explicit Definition**: X is F iff conditions C₁, C₂, C₃...
- Each condition necessary
- Jointly sufficient
- Captures the concept's extension and intension
---
## The Method
### Step-by-Step Protocol
```
CONCEPTUAL ANALYSIS PROTOCOL
════════════════════════════
1. TARGET IDENTIFICATION
└── What concept are we analyzing?
└── Clarify the question ("What is knowledge?")
2. INITIAL ANALYSIS
└── Propose conditions
└── Draw on clear cases
└── State: X is F iff C₁, C₂, C₃...
3. COUNTEREXAMPLE TESTING
└── Try to imagine cases that:
├── Satisfy conditions but aren't F
└── Are F but don't satisfy conditions
4. REVISION
└── Modify conditions to handle counterexamples
└── Add, remove, or revise conditions
5. ITERATION
└── Repeat steps 3-4 until stable
6. REFLECTIVE EQUILIBRIUM
└── Balance analysis against intuitions
└── May revise intuitions OR analysis
```
### Types of Counterexamples
| Type | Description | Response |
|------|-------------|----------|
| **Too narrow** | Excludes cases that ARE F | Weaken conditions |
| **Too broad** | Includes cases that AREN'T F | Strengthen conditions |
| **Edge case** | Genuinely borderline | Accept vagueness or precisify |
---
## Classic Examples
### Knowledge (JTB Analysis)
```
ANALYSIS OF KNOWLEDGE
═════════════════════
INITIAL ANALYSIS:
S knows that P iff:
1. S believes that P
2. P is true
3. S is justified in believing P
GETTIER COUNTEREXAMPLE:
Smith believes "The man who will get the job has 10 coins"
├── Justified (saw Jones counting coins)
├── True (Smith gets job, happens to have 10 coins)
├── But doesn't KNOW (true by luck)
└── Therefore: JTB is too broad
REVISIONS:
├── No false lemmas
├── Sensitivity: Would not believe if false
├── Safety: Could not easily be wrong
├── Virtue: True belief from intellectual virtue
└── Knowledge-first: Abandon analysis
```
### Free Will (Classical Analysis)
```
ANALYSIS OF FREE ACTION
═══════════════════════
SIMPLE ANALYSIS:
S acts freely iff S could have done otherwise
COUNTEREXAMPLE (Frankfurt):
├── Jones decides to vote for Biden
├── Unknown to Jones, a neuroscientist would intervene
│ if Jones was about to vote Trump
├── But Jones votes Biden on his own
├── Jones couldn't have done otherwise
├── Yet Jones seems to act freely
└── Therefore: PAP (Principle of Alternative Possibilities) fails
REVISIONS:
├── Focus on actual sequence
├── Reasons-responsiveness
├── Source theories (originates in agent)
```
### Art (Definition Attempt)
```
ANALYSIS OF ART
═══════════════
ATTEMPT 1: Representation
├── Art represents reality
├── Counterexample: Abstract art, pure music
└── Too narrow
ATTEMPT 2: Expression
├── Art expresses emotion
├── Counterexample: Some art is cold, intellectual
└── Too narrow
ATTEMPT 3: Significant Form (Bell)
├── Art has significant form
├── Problem: Circular—what makes form "significant"?
└── Uninformative
ATTEMPT 4: Institutional (Dickie)
├── Art = artifact + conferred artworld status
├── Problem: What's the artworld? Circular?
└── Contested
LESSON: Some concepts may resist analysis
```
---
## Techniques
### Case Method
Generate cases to test the analysis:
1. **Clear positive cases**: Obviously F
2. **Clear negative cases**: Obviously not F
3. **Borderline cases**: Test boundaries
4. **Thought experiments**: Imaginative cases
### Necessary vs. Sufficient Conditions
```
NECESSARY CONDITIONS
════════════════════
Required for F-ness but may not be enough
"Being unmarried is necessary for being a bachelor"
├── All bachelors are unmarried
├── But not all unmarried people are bachelors
└── Unmarried is necessary, not sufficient
SUFFICIENT CONDITIONS
═════════════════════
Enough for F-ness but may not be required
"Being a square is sufficient for being a rectangle"
├── All squares are rectangles
├── But not all rectangles are squares
└── Square is sufficient, not necessary
BICONDITIONAL
═════════════
Both necessary and sufficient
"X is a bachelor iff X is an unmarried adult male"
├── All and only bachelors satisfy this
└── Captures the concept
```
### Ockham's Razor for Analyses
- Prefer simpler analyses
- Don't multiply conditions unnecessarily
- But don't oversimplify
---
## Challenges to Conceptual Analysis
### Family Resemblance (Wittgenstein)
- Some concepts lack common essence
- "Game" — no single defining feature
- Network of overlapping similarities
### Open Texture
- Concepts have unforeseen applications
- Cannot anticipate all cases
- Definitions are provisional
### Experimental Philosophy
- Intuitions vary across cultures, demographics
- Are armchair intuitions reliable?
- Need empirical investigation
### Naturalized Epistemology (Quine)
- No sharp analytic/synthetic distinction
- Conceptual truths are just very central beliefs
- Philosophy continuous with science
---
## Best Practices
### Do
- Start with clear cases
- Explain why conditions are chosen
- Consider multiple counterexamples
- Be prepared to revise
- Acknowledge borderline cases
### Don't
- Assume first analysis is right
- Ignore stubborn counterexamples
- Add ad hoc conditions to save analysis
- Claim certainty about contested concepts
- Forget that intuitions can be wrong
---
## Output Format
```markdown
## Conceptual Analysis: [CONCEPT]
### Initial Analysis
X is [CONCEPT] iff:
1. Condition 1
2. Condition 2
3. Condition 3
### Testing
**Clear positive case**: [Example satisfying conditions and being F]
**Clear negative case**: [Example not satisfying conditions, not being F]
### Counterexamples Found
1. [Counterexample 1] — Analysis is too [narrow/broad]
2. [Counterexample 2] — Analysis is too [narrow/broad]
### Revised Analysis
X is [CONCEPT] iff:
1. Revised condition 1
2. Revised condition 2
3. New condition 3
### Assessment
[How confident are we in this analysis?]
[Remaining difficulties?]
```
---
## Integration with Repository
### Related Skills
- `argument-mapping`: Analyzing argument structure
- `logic`: Testing logical relations
### For Thought Development
Use conceptual analysis to clarify key terms in your philosophical explorations.
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