Install
$ agentstack add skill-r-irbe-proof-skills-applied-legal-reasoning ✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
About
Legal Reasoning
Formal frameworks for legal analysis, argumentation, normative reasoning, and their intersection with formal verification and AI governance.
Routing
- USE FOR: Legal reasoning formalization — statutory interpretation, case-based reasoning, argumentation frameworks, defeasible rules, deontic norms, regulatory compliance, and their connection to provenance chains, governance structures, and formal verification for legal-adjacent AI systems.
- DO NOT USE FOR: formalising those legal models in Lean (use @lean-applied-reasoning); deontic reasoning specifically (use @ai-causal-deontic); security policy (use @applied-data-information-security).
- TRIGGERS: statutory interpretation, case-based reasoning, argumentation framework, defeasible rule, deontic norm, legal reasoning, regulatory.
Workflow
- Classify the legal task: statutory interpretation, case-based reasoning, argumentation, or deontic-norm modelling.
- Pick the matching framework (ASPIC+, Carneades, defeasible-logic, deontic-action) from the body.
- Apply the framework; document the argument structure + defeaters.
- Hand off: to
@ai-causal-deonticfor deontic-logic encoding, to@lean-applied-reasoningfor Lean formalisation, to@lean-zettelkasten.
Recovery & STOP
- STOP if the question is about pure deontic logic — delegate to
@ai-causal-deontic. - STOP if the legal regime is jurisdiction-specific and not in the body — escalate to
@research-council. - STOP if security/privacy policy dominates — delegate to
@applied-data-information-security.
Handoffs
- Predecessors:
agent:gateway,skill:lean-research. - Successors:
skill:lean-applied-reasoning,skill:ai-causal-deontic,skill:lean-knowledge-formalization.
Detailed reference
Full content for applied-legal-reasoning lives in [references/applied-legal-reasoning-handbook.md](../../references/applied-legal-reasoning-handbook.md). Load that file when the skill is convened; the SKILL.md only carries the dispatch contract and the parts index.
| Section | Topic | |---|---| | Part 1 | Legal Reasoning Paradigms | | Part 2 | Argumentation Frameworks | | Part 3 | Defeasible Legal Rules | | Part 4 | Statutory Interpretation | | Part 5 | Case-Based Reasoning (CBR) | | Part 6 | Regulatory Compliance Formalization | | Part 7 | AI & Legal Reasoning | | Part 8 | Cross-References |
See also
- [
../../references/applied-legal-reasoning-handbook.md](../../references/applied-legal-reasoning-handbook.md) — Full handbook (extracted from this skill) - [
../lean-applied-reasoning/SKILL.md](../lean-applied-reasoning/SKILL.md) — Successor - [
../ai-causal-deontic/SKILL.md](../ai-causal-deontic/SKILL.md) — Successor - [
../lean-knowledge-formalization/SKILL.md](../lean-knowledge-formalization/SKILL.md) — Successor
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: r-irbe
- Source: r-irbe/proof-skills
- License: Apache-2.0
- Homepage: https://github.com/r-irbe/proof-skills
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.