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reductio-counterexample-analysis

Negate claims, derive consequences, search contradictions/counterexamples, then refine scope rather than merely defend the original wording.

skills/reductio-counterexample-analysis/SKILL.md

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# reductio-counterexample-analysis
## Purpose
Negate claims, derive consequences, detect contradictions and counterexamples, then refine scope.
## Input contract
```yaml
required: [claim, scope, supporting_reasoning]
optional: [known_counterexamples, boundary_conditions]
constraints: [negation must preserve the stated scope]
```
## Execution protocol
Do not perform called SOP operations inline; each loaded SOP owns its contract and thresholds.

1. You MUST load skill `negate-claim` to negate the claim. You MUST load skill `derive-consequences` to derive the consequences.
2. You MUST load skill `detect-contradiction` to detect contradictions. You MUST load skill `generate-counterexample` to generate counterexamples.
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