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• Nonforking-blockchains

Nonforking-blockchains-p-when-reachable

The invariant holds in every reachable state.

Definitions and Theorems

Theorem: nonforking-blockchains-p-when-reachable

(defthm nonforking-blockchains-p-when-reachable
  (implies (and (system-state-reachablep systate)
                (system-committees-fault-tolerant-p systate))
           (nonforking-blockchains-p systate)))