Charter v0.3: a formally verified language for institutional rules with AI constitutional prompts

QuixiAI · x · 2026-10-23

QuixiAI open-sourced Charter v0.3.0, a Lean-based formally verified language for institutional rules (constitutions, protocols, charters, bylaws). A .charter file declares roles, acts, facts and parameters, quotes its authoritative English text clause by clause, and expresses duties, powers and immunities in a small declarative grammar. The CLI runs provenance checks, legal/per-role views, scenario evaluation, counterfactual explanations, AI constitutional prompts, smart-contract guards, amendment diffs and parameter sweeps — no Lean knowledge required.

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