(Concurrency checking) may be disabled.Logical formLearned from2 sentences. (Identity checking) may be performed.Logical formLearned from2 sentences. A checking can be centralized.Logical formLearned from2 sentences. (Input parity checking) may be disabled.Logical formLearned from2 sentences. (Input parity checking) may be enabled.Logical formLearned from2 sentences. (Domain checking) may be performed.Logical formLearned from2 sentences. A (domain checking) can be accepted.Logical formLearned from2 sentences. Tandem can be with (domain checking).Logical formLearned from2 sentences. A checking can be with a public record.Logical formLearned from2 sentences. Some checking may be doed.Logical formLearned from2 sentences. A person may establish a (checking account).Logical formLearned from2 sentences. A (state space explosion problem) can be in (model checking).Logical formLearned from2 sentences. An (explosion problem) can be in (model checking).Logical formLearned from2 sentences. A prerequisite can be for a soundness of a (model checking algorithm).Logical formLearned from2 sentences. A (checking problem) can be for a logic.Logical formLearned from2 sentences.