Formal methods refer to mathematically based techniques and tools for the specification, development, and verification of software and hardware systems. FM helps in designing systems that are error-free and conform to their specifications, particularly critical in industries where safety and reliability are paramount, like the railway signaling and control domain.
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Prover, RATP and Systerel publish the unified HLL 4.0 specification, keeping the rail industry's formal verification language open and free of dialects.
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