Proof-Carrying Coalitions (PCC)

admit a coalition only if its conjunctive capability closure misses the forbidden set  Cl(A) ∩ F = ∅ checking engine… by Legal Engine · source + verify.sh

Scenarios (kernel-checked)

Build a coalition

Toggle agents to form a coalition. Presets are the instances proven in Lean; any other combination is computed in-browser and labelled accordingly.

Capability closure

held by coalition emergent (via closure) forbidden & reached not reached AND-rule

Verdict

Closure Cl(A):